Home / 40,825.90-61,223.10-15,862.66

Finding the Fourth Proportional to 40,825.90, 61,223.10 and 15,862.66

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Solution

The fourth proportional to 40,825.90, 61,223.10 and 15,862.66 is: 23,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,825.90 : 61,223.10 = 15,862.66 : x
  2. Step 2: Convert to fraction form
    40,825.90/61,223.10 = 15,862.66/x
  3. Step 3: Cross multiply
    40,825.90x = 61,223.10 × 15,862.66
  4. Step 4: Simplify right side
    40,825.90x = 971,161,026.73
  5. Step 5: Solve for x
    x = 971,161,026.73/40,825.90
  6. Step 6: Final answer
    x = 23,787.87

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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.