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Finding the Fourth Proportional to 52,576.71, 78,799.42 and 26,288.97

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Solution

The fourth proportional to 52,576.71, 78,799.42 and 26,288.97 is: 39,400.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,576.71 : 78,799.42 = 26,288.97 : x
  2. Step 2: Convert to fraction form
    52,576.71/78,799.42 = 26,288.97/x
  3. Step 3: Cross multiply
    52,576.71x = 78,799.42 × 26,288.97
  4. Step 4: Simplify right side
    52,576.71x = 2,071,555,588.40
  5. Step 5: Solve for x
    x = 2,071,555,588.40/52,576.71
  6. Step 6: Final answer
    x = 39,400.63

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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.