Home / 28,857.68-43,291.28-10,132.84

Finding the Fourth Proportional to 28,857.68, 43,291.28 and 10,132.84

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Solution

The fourth proportional to 28,857.68, 43,291.28 and 10,132.84 is: 15,200.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.68 : 43,291.28 = 10,132.84 : x
  2. Step 2: Convert to fraction form
    28,857.68/43,291.28 = 10,132.84/x
  3. Step 3: Cross multiply
    28,857.68x = 43,291.28 × 10,132.84
  4. Step 4: Simplify right side
    28,857.68x = 438,663,613.64
  5. Step 5: Solve for x
    x = 438,663,613.64/28,857.68
  6. Step 6: Final answer
    x = 15,200.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.