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Finding the Fourth Proportional to 28,480.60, 42,672.30 and 23,523.40

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Solution

The fourth proportional to 28,480.60, 42,672.30 and 23,523.40 is: 35,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,480.60 : 42,672.30 = 23,523.40 : x
  2. Step 2: Convert to fraction form
    28,480.60/42,672.30 = 23,523.40/x
  3. Step 3: Cross multiply
    28,480.60x = 42,672.30 × 23,523.40
  4. Step 4: Simplify right side
    28,480.60x = 1,003,797,581.82
  5. Step 5: Solve for x
    x = 1,003,797,581.82/28,480.60
  6. Step 6: Final answer
    x = 35,244.96

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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.