Home / 28,136.32-38,840.07-17,531.19

Finding the Fourth Proportional to 28,136.32, 38,840.07 and 17,531.19

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Solution

The fourth proportional to 28,136.32, 38,840.07 and 17,531.19 is: 24,200.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136.32 : 38,840.07 = 17,531.19 : x
  2. Step 2: Convert to fraction form
    28,136.32/38,840.07 = 17,531.19/x
  3. Step 3: Cross multiply
    28,136.32x = 38,840.07 × 17,531.19
  4. Step 4: Simplify right side
    28,136.32x = 680,912,712.53
  5. Step 5: Solve for x
    x = 680,912,712.53/28,136.32
  6. Step 6: Final answer
    x = 24,200.49

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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.