Home / 28,397.73-39,189.03-16,468.15

Finding the Fourth Proportional to 28,397.73, 39,189.03 and 16,468.15

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Solution

The fourth proportional to 28,397.73, 39,189.03 and 16,468.15 is: 22,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397.73 : 39,189.03 = 16,468.15 : x
  2. Step 2: Convert to fraction form
    28,397.73/39,189.03 = 16,468.15/x
  3. Step 3: Cross multiply
    28,397.73x = 39,189.03 × 16,468.15
  4. Step 4: Simplify right side
    28,397.73x = 645,370,546.11
  5. Step 5: Solve for x
    x = 645,370,546.11/28,397.73
  6. Step 6: Final answer
    x = 22,726.13

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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.