Home / 28,522.05-39,360.39-17,191.70

Finding the Fourth Proportional to 28,522.05, 39,360.39 and 17,191.70

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Solution

The fourth proportional to 28,522.05, 39,360.39 and 17,191.70 is: 23,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522.05 : 39,360.39 = 17,191.70 : x
  2. Step 2: Convert to fraction form
    28,522.05/39,360.39 = 17,191.70/x
  3. Step 3: Cross multiply
    28,522.05x = 39,360.39 × 17,191.70
  4. Step 4: Simplify right side
    28,522.05x = 676,671,819.96
  5. Step 5: Solve for x
    x = 676,671,819.96/28,522.05
  6. Step 6: Final answer
    x = 23,724.52

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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.