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Finding the Fourth Proportional to 61,775.64, 92,663.46 and 15,028.11

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Solution

The fourth proportional to 61,775.64, 92,663.46 and 15,028.11 is: 22,542.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,775.64 : 92,663.46 = 15,028.11 : x
  2. Step 2: Convert to fraction form
    61,775.64/92,663.46 = 15,028.11/x
  3. Step 3: Cross multiply
    61,775.64x = 92,663.46 × 15,028.11
  4. Step 4: Simplify right side
    61,775.64x = 1,392,556,669.86
  5. Step 5: Solve for x
    x = 1,392,556,669.86/61,775.64
  6. Step 6: Final answer
    x = 22,542.17

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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.