Home / 28,899.53-43,350.80-9,179.63

Finding the Fourth Proportional to 28,899.53, 43,350.80 and 9,179.63

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Solution

The fourth proportional to 28,899.53, 43,350.80 and 9,179.63 is: 13,769.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899.53 : 43,350.80 = 9,179.63 : x
  2. Step 2: Convert to fraction form
    28,899.53/43,350.80 = 9,179.63/x
  3. Step 3: Cross multiply
    28,899.53x = 43,350.80 × 9,179.63
  4. Step 4: Simplify right side
    28,899.53x = 397,944,304.20
  5. Step 5: Solve for x
    x = 397,944,304.20/28,899.53
  6. Step 6: Final answer
    x = 13,769.92

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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.