Home / 28,100.01-38,781.90-16,163.13

Finding the Fourth Proportional to 28,100.01, 38,781.90 and 16,163.13

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Solution

The fourth proportional to 28,100.01, 38,781.90 and 16,163.13 is: 22,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,100.01 : 38,781.90 = 16,163.13 : x
  2. Step 2: Convert to fraction form
    28,100.01/38,781.90 = 16,163.13/x
  3. Step 3: Cross multiply
    28,100.01x = 38,781.90 × 16,163.13
  4. Step 4: Simplify right side
    28,100.01x = 626,836,891.35
  5. Step 5: Solve for x
    x = 626,836,891.35/28,100.01
  6. Step 6: Final answer
    x = 22,307.35

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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.