Home / 28,588.32-42,909.30-15,451.02

Finding the Fourth Proportional to 28,588.32, 42,909.30 and 15,451.02

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Solution

The fourth proportional to 28,588.32, 42,909.30 and 15,451.02 is: 23,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588.32 : 42,909.30 = 15,451.02 : x
  2. Step 2: Convert to fraction form
    28,588.32/42,909.30 = 15,451.02/x
  3. Step 3: Cross multiply
    28,588.32x = 42,909.30 × 15,451.02
  4. Step 4: Simplify right side
    28,588.32x = 662,992,452.49
  5. Step 5: Solve for x
    x = 662,992,452.49/28,588.32
  6. Step 6: Final answer
    x = 23,191.03

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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.