Home / 20,098.60-30,104.70-17,909.80

Finding the Fourth Proportional to 20,098.60, 30,104.70 and 17,909.80

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Solution

The fourth proportional to 20,098.60, 30,104.70 and 17,909.80 is: 26,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.60 : 30,104.70 = 17,909.80 : x
  2. Step 2: Convert to fraction form
    20,098.60/30,104.70 = 17,909.80/x
  3. Step 3: Cross multiply
    20,098.60x = 30,104.70 × 17,909.80
  4. Step 4: Simplify right side
    20,098.60x = 539,169,156.06
  5. Step 5: Solve for x
    x = 539,169,156.06/20,098.60
  6. Step 6: Final answer
    x = 26,826.20

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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.