Home / 28,153.68-42,146.39-17,026.71

Finding the Fourth Proportional to 28,153.68, 42,146.39 and 17,026.71

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Solution

The fourth proportional to 28,153.68, 42,146.39 and 17,026.71 is: 25,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153.68 : 42,146.39 = 17,026.71 : x
  2. Step 2: Convert to fraction form
    28,153.68/42,146.39 = 17,026.71/x
  3. Step 3: Cross multiply
    28,153.68x = 42,146.39 × 17,026.71
  4. Step 4: Simplify right side
    28,153.68x = 717,614,274.94
  5. Step 5: Solve for x
    x = 717,614,274.94/28,153.68
  6. Step 6: Final answer
    x = 25,489.18

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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.