Home / 28,459.52-39,272.42-17,132.69

Finding the Fourth Proportional to 28,459.52, 39,272.42 and 17,132.69

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Solution

The fourth proportional to 28,459.52, 39,272.42 and 17,132.69 is: 23,642.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,459.52 : 39,272.42 = 17,132.69 : x
  2. Step 2: Convert to fraction form
    28,459.52/39,272.42 = 17,132.69/x
  3. Step 3: Cross multiply
    28,459.52x = 39,272.42 × 17,132.69
  4. Step 4: Simplify right side
    28,459.52x = 672,841,915.38
  5. Step 5: Solve for x
    x = 672,841,915.38/28,459.52
  6. Step 6: Final answer
    x = 23,642.07

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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.