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Finding the Fourth Proportional to 84,894.57, 127,341.70 and 22,565.07

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Solution

The fourth proportional to 84,894.57, 127,341.70 and 22,565.07 is: 33,847.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,894.57 : 127,341.70 = 22,565.07 : x
  2. Step 2: Convert to fraction form
    84,894.57/127,341.70 = 22,565.07/x
  3. Step 3: Cross multiply
    84,894.57x = 127,341.70 × 22,565.07
  4. Step 4: Simplify right side
    84,894.57x = 2,873,474,374.42
  5. Step 5: Solve for x
    x = 2,873,474,374.42/84,894.57
  6. Step 6: Final answer
    x = 33,847.56

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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.