Home / 26,982.20-40,430.10-17,737.40

Finding the Fourth Proportional to 26,982.20, 40,430.10 and 17,737.40

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Solution

The fourth proportional to 26,982.20, 40,430.10 and 17,737.40 is: 26,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,982.20 : 40,430.10 = 17,737.40 : x
  2. Step 2: Convert to fraction form
    26,982.20/40,430.10 = 17,737.40/x
  3. Step 3: Cross multiply
    26,982.20x = 40,430.10 × 17,737.40
  4. Step 4: Simplify right side
    26,982.20x = 717,124,855.74
  5. Step 5: Solve for x
    x = 717,124,855.74/26,982.20
  6. Step 6: Final answer
    x = 26,577.70

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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.