Home / 28,147.68-38,833.92-17,528.52

Finding the Fourth Proportional to 28,147.68, 38,833.92 and 17,528.52

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Solution

The fourth proportional to 28,147.68, 38,833.92 and 17,528.52 is: 24,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147.68 : 38,833.92 = 17,528.52 : x
  2. Step 2: Convert to fraction form
    28,147.68/38,833.92 = 17,528.52/x
  3. Step 3: Cross multiply
    28,147.68x = 38,833.92 × 17,528.52
  4. Step 4: Simplify right side
    28,147.68x = 680,701,143.40
  5. Step 5: Solve for x
    x = 680,701,143.40/28,147.68
  6. Step 6: Final answer
    x = 24,183.21

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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.