Home / 27,824.20-38,397.18-15,248.92

Finding the Fourth Proportional to 27,824.20, 38,397.18 and 15,248.92

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Solution

The fourth proportional to 27,824.20, 38,397.18 and 15,248.92 is: 21,043.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,824.20 : 38,397.18 = 15,248.92 : x
  2. Step 2: Convert to fraction form
    27,824.20/38,397.18 = 15,248.92/x
  3. Step 3: Cross multiply
    27,824.20x = 38,397.18 × 15,248.92
  4. Step 4: Simplify right side
    27,824.20x = 585,515,526.05
  5. Step 5: Solve for x
    x = 585,515,526.05/27,824.20
  6. Step 6: Final answer
    x = 21,043.39

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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.