Home / 27,929.34-38,542.59-15,354.18

Finding the Fourth Proportional to 27,929.34, 38,542.59 and 15,354.18

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Solution

The fourth proportional to 27,929.34, 38,542.59 and 15,354.18 is: 21,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929.34 : 38,542.59 = 15,354.18 : x
  2. Step 2: Convert to fraction form
    27,929.34/38,542.59 = 15,354.18/x
  3. Step 3: Cross multiply
    27,929.34x = 38,542.59 × 15,354.18
  4. Step 4: Simplify right side
    27,929.34x = 591,789,864.53
  5. Step 5: Solve for x
    x = 591,789,864.53/27,929.34
  6. Step 6: Final answer
    x = 21,188.82

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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.