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Finding the Fourth Proportional to 45,568, 62,886.27 and 26,711.20

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Solution

The fourth proportional to 45,568, 62,886.27 and 26,711.20 is: 36,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,568 : 62,886.27 = 26,711.20 : x
  2. Step 2: Convert to fraction form
    45,568/62,886.27 = 26,711.20/x
  3. Step 3: Cross multiply
    45,568x = 62,886.27 × 26,711.20
  4. Step 4: Simplify right side
    45,568x = 1,679,767,735.22
  5. Step 5: Solve for x
    x = 1,679,767,735.22/45,568
  6. Step 6: Final answer
    x = 36,862.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.