Home / 38,876.13-58,315.10-13,917.89

Finding the Fourth Proportional to 38,876.13, 58,315.10 and 13,917.89

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Solution

The fourth proportional to 38,876.13, 58,315.10 and 13,917.89 is: 20,877.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,876.13 : 58,315.10 = 13,917.89 : x
  2. Step 2: Convert to fraction form
    38,876.13/58,315.10 = 13,917.89/x
  3. Step 3: Cross multiply
    38,876.13x = 58,315.10 × 13,917.89
  4. Step 4: Simplify right side
    38,876.13x = 811,623,223.34
  5. Step 5: Solve for x
    x = 811,623,223.34/38,876.13
  6. Step 6: Final answer
    x = 20,877.16

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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.