Home / 28,532.68-39,376.92-15,957.52

Finding the Fourth Proportional to 28,532.68, 39,376.92 and 15,957.52

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Solution

The fourth proportional to 28,532.68, 39,376.92 and 15,957.52 is: 22,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.68 : 39,376.92 = 15,957.52 : x
  2. Step 2: Convert to fraction form
    28,532.68/39,376.92 = 15,957.52/x
  3. Step 3: Cross multiply
    28,532.68x = 39,376.92 × 15,957.52
  4. Step 4: Simplify right side
    28,532.68x = 628,357,988.44
  5. Step 5: Solve for x
    x = 628,357,988.44/28,532.68
  6. Step 6: Final answer
    x = 22,022.40

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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.