Home / 28,753.65-43,151.42-14,725.40

Finding the Fourth Proportional to 28,753.65, 43,151.42 and 14,725.40

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Solution

The fourth proportional to 28,753.65, 43,151.42 and 14,725.40 is: 22,098.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,753.65 : 43,151.42 = 14,725.40 : x
  2. Step 2: Convert to fraction form
    28,753.65/43,151.42 = 14,725.40/x
  3. Step 3: Cross multiply
    28,753.65x = 43,151.42 × 14,725.40
  4. Step 4: Simplify right side
    28,753.65x = 635,421,741.12
  5. Step 5: Solve for x
    x = 635,421,741.12/28,753.65
  6. Step 6: Final answer
    x = 22,098.82

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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.