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Finding the Fourth Proportional to 57,476.58, 86,213.88 and 25,864.28

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Solution

The fourth proportional to 57,476.58, 86,213.88 and 25,864.28 is: 38,795.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,476.58 : 86,213.88 = 25,864.28 : x
  2. Step 2: Convert to fraction form
    57,476.58/86,213.88 = 25,864.28/x
  3. Step 3: Cross multiply
    57,476.58x = 86,213.88 × 25,864.28
  4. Step 4: Simplify right side
    57,476.58x = 2,229,859,501.14
  5. Step 5: Solve for x
    x = 2,229,859,501.14/57,476.58
  6. Step 6: Final answer
    x = 38,795.97

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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.