Home / 28,468.08-42,702.40-10,933.76

Finding the Fourth Proportional to 28,468.08, 42,702.40 and 10,933.76

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Solution

The fourth proportional to 28,468.08, 42,702.40 and 10,933.76 is: 16,400.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468.08 : 42,702.40 = 10,933.76 : x
  2. Step 2: Convert to fraction form
    28,468.08/42,702.40 = 10,933.76/x
  3. Step 3: Cross multiply
    28,468.08x = 42,702.40 × 10,933.76
  4. Step 4: Simplify right side
    28,468.08x = 466,897,793.02
  5. Step 5: Solve for x
    x = 466,897,793.02/28,468.08
  6. Step 6: Final answer
    x = 16,400.75

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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.