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Finding the Fourth Proportional to 23,672.32, 35,484.48 and 15,357.64

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Solution

The fourth proportional to 23,672.32, 35,484.48 and 15,357.64 is: 23,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,672.32 : 35,484.48 = 15,357.64 : x
  2. Step 2: Convert to fraction form
    23,672.32/35,484.48 = 15,357.64/x
  3. Step 3: Cross multiply
    23,672.32x = 35,484.48 × 15,357.64
  4. Step 4: Simplify right side
    23,672.32x = 544,957,869.43
  5. Step 5: Solve for x
    x = 544,957,869.43/23,672.32
  6. Step 6: Final answer
    x = 23,020.89

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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.