Home / 41,378.12-61,957.02-28,256.12

Finding the Fourth Proportional to 41,378.12, 61,957.02 and 28,256.12

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Solution

The fourth proportional to 41,378.12, 61,957.02 and 28,256.12 is: 42,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,378.12 : 61,957.02 = 28,256.12 : x
  2. Step 2: Convert to fraction form
    41,378.12/61,957.02 = 28,256.12/x
  3. Step 3: Cross multiply
    41,378.12x = 61,957.02 × 28,256.12
  4. Step 4: Simplify right side
    41,378.12x = 1,750,664,991.96
  5. Step 5: Solve for x
    x = 1,750,664,991.96/41,378.12
  6. Step 6: Final answer
    x = 42,308.95

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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.