Home / 27,762.71-38,312.85-15,016.15

Finding the Fourth Proportional to 27,762.71, 38,312.85 and 15,016.15

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Solution

The fourth proportional to 27,762.71, 38,312.85 and 15,016.15 is: 20,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,762.71 : 38,312.85 = 15,016.15 : x
  2. Step 2: Convert to fraction form
    27,762.71/38,312.85 = 15,016.15/x
  3. Step 3: Cross multiply
    27,762.71x = 38,312.85 × 15,016.15
  4. Step 4: Simplify right side
    27,762.71x = 575,311,444.29
  5. Step 5: Solve for x
    x = 575,311,444.29/27,762.71
  6. Step 6: Final answer
    x = 20,722.45

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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.