Home / 27,339.17-37,728.18-15,402.69

Finding the Fourth Proportional to 27,339.17, 37,728.18 and 15,402.69

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Solution

The fourth proportional to 27,339.17, 37,728.18 and 15,402.69 is: 21,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,339.17 : 37,728.18 = 15,402.69 : x
  2. Step 2: Convert to fraction form
    27,339.17/37,728.18 = 15,402.69/x
  3. Step 3: Cross multiply
    27,339.17x = 37,728.18 × 15,402.69
  4. Step 4: Simplify right side
    27,339.17x = 581,115,460.80
  5. Step 5: Solve for x
    x = 581,115,460.80/27,339.17
  6. Step 6: Final answer
    x = 21,255.79

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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.