Home / 29,169.20-43,764.60-28,089.20

Finding the Fourth Proportional to 29,169.20, 43,764.60 and 28,089.20

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Solution

The fourth proportional to 29,169.20, 43,764.60 and 28,089.20 is: 42,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,169.20 : 43,764.60 = 28,089.20 : x
  2. Step 2: Convert to fraction form
    29,169.20/43,764.60 = 28,089.20/x
  3. Step 3: Cross multiply
    29,169.20x = 43,764.60 × 28,089.20
  4. Step 4: Simplify right side
    29,169.20x = 1,229,312,602.32
  5. Step 5: Solve for x
    x = 1,229,312,602.32/29,169.20
  6. Step 6: Final answer
    x = 42,144.20

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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.