Home / 28,408.58-42,612.90-15,344.02

Finding the Fourth Proportional to 28,408.58, 42,612.90 and 15,344.02

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Solution

The fourth proportional to 28,408.58, 42,612.90 and 15,344.02 is: 23,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,408.58 : 42,612.90 = 15,344.02 : x
  2. Step 2: Convert to fraction form
    28,408.58/42,612.90 = 15,344.02/x
  3. Step 3: Cross multiply
    28,408.58x = 42,612.90 × 15,344.02
  4. Step 4: Simplify right side
    28,408.58x = 653,853,189.86
  5. Step 5: Solve for x
    x = 653,853,189.86/28,408.58
  6. Step 6: Final answer
    x = 23,016.05

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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.