Home / 61,835.97-92,677.95-28,509.78

Finding the Fourth Proportional to 61,835.97, 92,677.95 and 28,509.78

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Solution

The fourth proportional to 61,835.97, 92,677.95 and 28,509.78 is: 42,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,835.97 : 92,677.95 = 28,509.78 : x
  2. Step 2: Convert to fraction form
    61,835.97/92,677.95 = 28,509.78/x
  3. Step 3: Cross multiply
    61,835.97x = 92,677.95 × 28,509.78
  4. Step 4: Simplify right side
    61,835.97x = 2,642,227,965.35
  5. Step 5: Solve for x
    x = 2,642,227,965.35/61,835.97
  6. Step 6: Final answer
    x = 42,729.63

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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.