Home / 28,818.47-43,247.12-10,098.66

Finding the Fourth Proportional to 28,818.47, 43,247.12 and 10,098.66

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Solution

The fourth proportional to 28,818.47, 43,247.12 and 10,098.66 is: 15,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.47 : 43,247.12 = 10,098.66 : x
  2. Step 2: Convert to fraction form
    28,818.47/43,247.12 = 10,098.66/x
  3. Step 3: Cross multiply
    28,818.47x = 43,247.12 × 10,098.66
  4. Step 4: Simplify right side
    28,818.47x = 436,737,986.11
  5. Step 5: Solve for x
    x = 436,737,986.11/28,818.47
  6. Step 6: Final answer
    x = 15,154.79

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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.