Home / 23,338.87-32,207.02-12,728.71

Finding the Fourth Proportional to 23,338.87, 32,207.02 and 12,728.71

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Solution

The fourth proportional to 23,338.87, 32,207.02 and 12,728.71 is: 17,565.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,338.87 : 32,207.02 = 12,728.71 : x
  2. Step 2: Convert to fraction form
    23,338.87/32,207.02 = 12,728.71/x
  3. Step 3: Cross multiply
    23,338.87x = 32,207.02 × 12,728.71
  4. Step 4: Simplify right side
    23,338.87x = 409,953,817.54
  5. Step 5: Solve for x
    x = 409,953,817.54/23,338.87
  6. Step 6: Final answer
    x = 17,565.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.