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Finding the Fourth Proportional to 52,807.01, 79,214.15 and 15,367.39

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Solution

The fourth proportional to 52,807.01, 79,214.15 and 15,367.39 is: 23,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,807.01 : 79,214.15 = 15,367.39 : x
  2. Step 2: Convert to fraction form
    52,807.01/79,214.15 = 15,367.39/x
  3. Step 3: Cross multiply
    52,807.01x = 79,214.15 × 15,367.39
  4. Step 4: Simplify right side
    52,807.01x = 1,217,314,576.95
  5. Step 5: Solve for x
    x = 1,217,314,576.95/52,807.01
  6. Step 6: Final answer
    x = 23,052.14

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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.