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Finding the Fourth Proportional to 34,169.80, 51,254.70 and 28,726.60

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Solution

The fourth proportional to 34,169.80, 51,254.70 and 28,726.60 is: 43,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,169.80 : 51,254.70 = 28,726.60 : x
  2. Step 2: Convert to fraction form
    34,169.80/51,254.70 = 28,726.60/x
  3. Step 3: Cross multiply
    34,169.80x = 51,254.70 × 28,726.60
  4. Step 4: Simplify right side
    34,169.80x = 1,472,373,265.02
  5. Step 5: Solve for x
    x = 1,472,373,265.02/34,169.80
  6. Step 6: Final answer
    x = 43,089.90

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1.5x scale

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.