Home / 38,836.48-58,248.24-11,128

Finding the Fourth Proportional to 38,836.48, 58,248.24 and 11,128

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Solution

The fourth proportional to 38,836.48, 58,248.24 and 11,128 is: 16,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,836.48 : 58,248.24 = 11,128 : x
  2. Step 2: Convert to fraction form
    38,836.48/58,248.24 = 11,128/x
  3. Step 3: Cross multiply
    38,836.48x = 58,248.24 × 11,128
  4. Step 4: Simplify right side
    38,836.48x = 648,186,414.72
  5. Step 5: Solve for x
    x = 648,186,414.72/38,836.48
  6. Step 6: Final answer
    x = 16,690.14

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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.