Home / 26,817.80-40,197.90-10,171.40

Finding the Fourth Proportional to 26,817.80, 40,197.90 and 10,171.40

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Solution

The fourth proportional to 26,817.80, 40,197.90 and 10,171.40 is: 15,246.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,817.80 : 40,197.90 = 10,171.40 : x
  2. Step 2: Convert to fraction form
    26,817.80/40,197.90 = 10,171.40/x
  3. Step 3: Cross multiply
    26,817.80x = 40,197.90 × 10,171.40
  4. Step 4: Simplify right side
    26,817.80x = 408,868,920.06
  5. Step 5: Solve for x
    x = 408,868,920.06/26,817.80
  6. Step 6: Final answer
    x = 15,246.18

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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.