Home / 17,042.60-25,534.70-13,543.40

Finding the Fourth Proportional to 17,042.60, 25,534.70 and 13,543.40

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Solution

The fourth proportional to 17,042.60, 25,534.70 and 13,543.40 is: 20,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,042.60 : 25,534.70 = 13,543.40 : x
  2. Step 2: Convert to fraction form
    17,042.60/25,534.70 = 13,543.40/x
  3. Step 3: Cross multiply
    17,042.60x = 25,534.70 × 13,543.40
  4. Step 4: Simplify right side
    17,042.60x = 345,826,655.98
  5. Step 5: Solve for x
    x = 345,826,655.98/17,042.60
  6. Step 6: Final answer
    x = 20,291.90

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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.