Home / 28,160.92-42,255.71-17,629.14

Finding the Fourth Proportional to 28,160.92, 42,255.71 and 17,629.14

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Solution

The fourth proportional to 28,160.92, 42,255.71 and 17,629.14 is: 26,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,160.92 : 42,255.71 = 17,629.14 : x
  2. Step 2: Convert to fraction form
    28,160.92/42,255.71 = 17,629.14/x
  3. Step 3: Cross multiply
    28,160.92x = 42,255.71 × 17,629.14
  4. Step 4: Simplify right side
    28,160.92x = 744,931,827.39
  5. Step 5: Solve for x
    x = 744,931,827.39/28,160.92
  6. Step 6: Final answer
    x = 26,452.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.