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Finding the Fourth Proportional to 25,641.97, 35,358.02 and 16,672.84

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Solution

The fourth proportional to 25,641.97, 35,358.02 and 16,672.84 is: 22,990.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,641.97 : 35,358.02 = 16,672.84 : x
  2. Step 2: Convert to fraction form
    25,641.97/35,358.02 = 16,672.84/x
  3. Step 3: Cross multiply
    25,641.97x = 35,358.02 × 16,672.84
  4. Step 4: Simplify right side
    25,641.97x = 589,518,500.94
  5. Step 5: Solve for x
    x = 589,518,500.94/25,641.97
  6. Step 6: Final answer
    x = 22,990.38

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Double scale
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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.