Home / 28,177.52-42,264.60-8,456.44

Finding the Fourth Proportional to 28,177.52, 42,264.60 and 8,456.44

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Solution

The fourth proportional to 28,177.52, 42,264.60 and 8,456.44 is: 12,684.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177.52 : 42,264.60 = 8,456.44 : x
  2. Step 2: Convert to fraction form
    28,177.52/42,264.60 = 8,456.44/x
  3. Step 3: Cross multiply
    28,177.52x = 42,264.60 × 8,456.44
  4. Step 4: Simplify right side
    28,177.52x = 357,408,054.02
  5. Step 5: Solve for x
    x = 357,408,054.02/28,177.52
  6. Step 6: Final answer
    x = 12,684.16

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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.