Home / 38,872.36-58,316.10-13,914.28

Finding the Fourth Proportional to 38,872.36, 58,316.10 and 13,914.28

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Solution

The fourth proportional to 38,872.36, 58,316.10 and 13,914.28 is: 20,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,872.36 : 58,316.10 = 13,914.28 : x
  2. Step 2: Convert to fraction form
    38,872.36/58,316.10 = 13,914.28/x
  3. Step 3: Cross multiply
    38,872.36x = 58,316.10 × 13,914.28
  4. Step 4: Simplify right side
    38,872.36x = 811,426,543.91
  5. Step 5: Solve for x
    x = 811,426,543.91/38,872.36
  6. Step 6: Final answer
    x = 20,874.13

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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.