Home / 28,540.71-39,369.92-16,602.66

Finding the Fourth Proportional to 28,540.71, 39,369.92 and 16,602.66

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Solution

The fourth proportional to 28,540.71, 39,369.92 and 16,602.66 is: 22,902.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,540.71 : 39,369.92 = 16,602.66 : x
  2. Step 2: Convert to fraction form
    28,540.71/39,369.92 = 16,602.66/x
  3. Step 3: Cross multiply
    28,540.71x = 39,369.92 × 16,602.66
  4. Step 4: Simplify right side
    28,540.71x = 653,645,312.97
  5. Step 5: Solve for x
    x = 653,645,312.97/28,540.71
  6. Step 6: Final answer
    x = 22,902.21

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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.