Home / 27,762.42-38,312.19-15,187.17

Finding the Fourth Proportional to 27,762.42, 38,312.19 and 15,187.17

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Solution

The fourth proportional to 27,762.42, 38,312.19 and 15,187.17 is: 20,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,762.42 : 38,312.19 = 15,187.17 : x
  2. Step 2: Convert to fraction form
    27,762.42/38,312.19 = 15,187.17/x
  3. Step 3: Cross multiply
    27,762.42x = 38,312.19 × 15,187.17
  4. Step 4: Simplify right side
    27,762.42x = 581,853,742.60
  5. Step 5: Solve for x
    x = 581,853,742.60/27,762.42
  6. Step 6: Final answer
    x = 20,958.32

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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.