Home / 27,762.38-38,312.02-15,187.13

Finding the Fourth Proportional to 27,762.38, 38,312.02 and 15,187.13

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Solution

The fourth proportional to 27,762.38, 38,312.02 and 15,187.13 is: 20,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,762.38 : 38,312.02 = 15,187.13 : x
  2. Step 2: Convert to fraction form
    27,762.38/38,312.02 = 15,187.13/x
  3. Step 3: Cross multiply
    27,762.38x = 38,312.02 × 15,187.13
  4. Step 4: Simplify right side
    27,762.38x = 581,849,628.30
  5. Step 5: Solve for x
    x = 581,849,628.30/27,762.38
  6. Step 6: Final answer
    x = 20,958.20

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Half scale
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Double scale
Find fourth proportional to 27,763.38, 38,313.40 and 15,188.13
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.