Home / 28,136.13-38,839.82-17,531.00

Finding the Fourth Proportional to 28,136.13, 38,839.82 and 17,531.00

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Solution

The fourth proportional to 28,136.13, 38,839.82 and 17,531.00 is: 24,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136.13 : 38,839.82 = 17,531.00 : x
  2. Step 2: Convert to fraction form
    28,136.13/38,839.82 = 17,531.00/x
  3. Step 3: Cross multiply
    28,136.13x = 38,839.82 × 17,531.00
  4. Step 4: Simplify right side
    28,136.13x = 680,900,893.86
  5. Step 5: Solve for x
    x = 680,900,893.86/28,136.13
  6. Step 6: Final answer
    x = 24,200.23

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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.