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Finding the Fourth Proportional to 62,518.26, 93,777.12 and 15,771

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Solution

The fourth proportional to 62,518.26, 93,777.12 and 15,771 is: 23,656.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,518.26 : 93,777.12 = 15,771 : x
  2. Step 2: Convert to fraction form
    62,518.26/93,777.12 = 15,771/x
  3. Step 3: Cross multiply
    62,518.26x = 93,777.12 × 15,771
  4. Step 4: Simplify right side
    62,518.26x = 1,478,958,959.52
  5. Step 5: Solve for x
    x = 1,478,958,959.52/62,518.26
  6. Step 6: Final answer
    x = 23,656.43

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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.