Home / 28,774.80-43,169.36-28,298.04

Finding the Fourth Proportional to 28,774.80, 43,169.36 and 28,298.04

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Solution

The fourth proportional to 28,774.80, 43,169.36 and 28,298.04 is: 42,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774.80 : 43,169.36 = 28,298.04 : x
  2. Step 2: Convert to fraction form
    28,774.80/43,169.36 = 28,298.04/x
  3. Step 3: Cross multiply
    28,774.80x = 43,169.36 × 28,298.04
  4. Step 4: Simplify right side
    28,774.80x = 1,221,608,276.05
  5. Step 5: Solve for x
    x = 1,221,608,276.05/28,774.80
  6. Step 6: Final answer
    x = 42,454.10

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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.