Home / 28,882.62-39,859.11-16,135.14

Finding the Fourth Proportional to 28,882.62, 39,859.11 and 16,135.14

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Solution

The fourth proportional to 28,882.62, 39,859.11 and 16,135.14 is: 22,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.62 : 39,859.11 = 16,135.14 : x
  2. Step 2: Convert to fraction form
    28,882.62/39,859.11 = 16,135.14/x
  3. Step 3: Cross multiply
    28,882.62x = 39,859.11 × 16,135.14
  4. Step 4: Simplify right side
    28,882.62x = 643,132,320.13
  5. Step 5: Solve for x
    x = 643,132,320.13/28,882.62
  6. Step 6: Final answer
    x = 22,267.10

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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.