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Finding the Fourth Proportional to 61,976.39, 92,963.76 and 15,229.67

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Solution

The fourth proportional to 61,976.39, 92,963.76 and 15,229.67 is: 22,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,976.39 : 92,963.76 = 15,229.67 : x
  2. Step 2: Convert to fraction form
    61,976.39/92,963.76 = 15,229.67/x
  3. Step 3: Cross multiply
    61,976.39x = 92,963.76 × 15,229.67
  4. Step 4: Simplify right side
    61,976.39x = 1,415,807,386.76
  5. Step 5: Solve for x
    x = 1,415,807,386.76/61,976.39
  6. Step 6: Final answer
    x = 22,844.30

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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.