Home / 28,086.60-38,767.14-16,151.16

Finding the Fourth Proportional to 28,086.60, 38,767.14 and 16,151.16

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Solution

The fourth proportional to 28,086.60, 38,767.14 and 16,151.16 is: 22,292.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086.60 : 38,767.14 = 16,151.16 : x
  2. Step 2: Convert to fraction form
    28,086.60/38,767.14 = 16,151.16/x
  3. Step 3: Cross multiply
    28,086.60x = 38,767.14 × 16,151.16
  4. Step 4: Simplify right side
    28,086.60x = 626,134,280.88
  5. Step 5: Solve for x
    x = 626,134,280.88/28,086.60
  6. Step 6: Final answer
    x = 22,292.99

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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.