Home / 28,082.68-38,772.30-17,476.60

Finding the Fourth Proportional to 28,082.68, 38,772.30 and 17,476.60

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Solution

The fourth proportional to 28,082.68, 38,772.30 and 17,476.60 is: 24,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.68 : 38,772.30 = 17,476.60 : x
  2. Step 2: Convert to fraction form
    28,082.68/38,772.30 = 17,476.60/x
  3. Step 3: Cross multiply
    28,082.68x = 38,772.30 × 17,476.60
  4. Step 4: Simplify right side
    28,082.68x = 677,607,978.18
  5. Step 5: Solve for x
    x = 677,607,978.18/28,082.68
  6. Step 6: Final answer
    x = 24,129.04

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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.