Home / 62,728.40-94,106.10-18,351.74

Finding the Fourth Proportional to 62,728.40, 94,106.10 and 18,351.74

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Solution

The fourth proportional to 62,728.40, 94,106.10 and 18,351.74 is: 27,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,728.40 : 94,106.10 = 18,351.74 : x
  2. Step 2: Convert to fraction form
    62,728.40/94,106.10 = 18,351.74/x
  3. Step 3: Cross multiply
    62,728.40x = 94,106.10 × 18,351.74
  4. Step 4: Simplify right side
    62,728.40x = 1,727,010,679.61
  5. Step 5: Solve for x
    x = 1,727,010,679.61/62,728.40
  6. Step 6: Final answer
    x = 27,531.56

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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.