Home / 19,902.30-29,872.65-10,052.70

Finding the Fourth Proportional to 19,902.30, 29,872.65 and 10,052.70

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Solution

The fourth proportional to 19,902.30, 29,872.65 and 10,052.70 is: 15,088.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.30 : 29,872.65 = 10,052.70 : x
  2. Step 2: Convert to fraction form
    19,902.30/29,872.65 = 10,052.70/x
  3. Step 3: Cross multiply
    19,902.30x = 29,872.65 × 10,052.70
  4. Step 4: Simplify right side
    19,902.30x = 300,300,788.66
  5. Step 5: Solve for x
    x = 300,300,788.66/19,902.30
  6. Step 6: Final answer
    x = 15,088.75

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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.