Home / 26,901.90-40,340.70-12,103.20

Finding the Fourth Proportional to 26,901.90, 40,340.70 and 12,103.20

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Solution

The fourth proportional to 26,901.90, 40,340.70 and 12,103.20 is: 18,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,901.90 : 40,340.70 = 12,103.20 : x
  2. Step 2: Convert to fraction form
    26,901.90/40,340.70 = 12,103.20/x
  3. Step 3: Cross multiply
    26,901.90x = 40,340.70 × 12,103.20
  4. Step 4: Simplify right side
    26,901.90x = 488,251,560.24
  5. Step 5: Solve for x
    x = 488,251,560.24/26,901.90
  6. Step 6: Final answer
    x = 18,149.33

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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.