Home / 38,580.48-57,864.84-10,502.72

Finding the Fourth Proportional to 38,580.48, 57,864.84 and 10,502.72

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Solution

The fourth proportional to 38,580.48, 57,864.84 and 10,502.72 is: 15,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,580.48 : 57,864.84 = 10,502.72 : x
  2. Step 2: Convert to fraction form
    38,580.48/57,864.84 = 10,502.72/x
  3. Step 3: Cross multiply
    38,580.48x = 57,864.84 × 10,502.72
  4. Step 4: Simplify right side
    38,580.48x = 607,737,923.04
  5. Step 5: Solve for x
    x = 607,737,923.04/38,580.48
  6. Step 6: Final answer
    x = 15,752.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.