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Finding the Fourth Proportional to 88,728.40, 133,092.60 and 26,398.90

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Solution

The fourth proportional to 88,728.40, 133,092.60 and 26,398.90 is: 39,598.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,728.40 : 133,092.60 = 26,398.90 : x
  2. Step 2: Convert to fraction form
    88,728.40/133,092.60 = 26,398.90/x
  3. Step 3: Cross multiply
    88,728.40x = 133,092.60 × 26,398.90
  4. Step 4: Simplify right side
    88,728.40x = 3,513,498,238.14
  5. Step 5: Solve for x
    x = 3,513,498,238.14/88,728.40
  6. Step 6: Final answer
    x = 39,598.35

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1.5x scale

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.