Home / 28,407.68-39,205.96-17,082.97

Finding the Fourth Proportional to 28,407.68, 39,205.96 and 17,082.97

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Solution

The fourth proportional to 28,407.68, 39,205.96 and 17,082.97 is: 23,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,407.68 : 39,205.96 = 17,082.97 : x
  2. Step 2: Convert to fraction form
    28,407.68/39,205.96 = 17,082.97/x
  3. Step 3: Cross multiply
    28,407.68x = 39,205.96 × 17,082.97
  4. Step 4: Simplify right side
    28,407.68x = 669,754,097.78
  5. Step 5: Solve for x
    x = 669,754,097.78/28,407.68
  6. Step 6: Final answer
    x = 23,576.52

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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.