Home / 27,531.01-37,983.76-15,429.73

Finding the Fourth Proportional to 27,531.01, 37,983.76 and 15,429.73

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Solution

The fourth proportional to 27,531.01, 37,983.76 and 15,429.73 is: 21,287.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531.01 : 37,983.76 = 15,429.73 : x
  2. Step 2: Convert to fraction form
    27,531.01/37,983.76 = 15,429.73/x
  3. Step 3: Cross multiply
    27,531.01x = 37,983.76 × 15,429.73
  4. Step 4: Simplify right side
    27,531.01x = 586,079,035.44
  5. Step 5: Solve for x
    x = 586,079,035.44/27,531.01
  6. Step 6: Final answer
    x = 21,287.96

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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.