Home / 26,856.80-40,280.16-11,274.56

Finding the Fourth Proportional to 26,856.80, 40,280.16 and 11,274.56

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Solution

The fourth proportional to 26,856.80, 40,280.16 and 11,274.56 is: 16,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,856.80 : 40,280.16 = 11,274.56 : x
  2. Step 2: Convert to fraction form
    26,856.80/40,280.16 = 11,274.56/x
  3. Step 3: Cross multiply
    26,856.80x = 40,280.16 × 11,274.56
  4. Step 4: Simplify right side
    26,856.80x = 454,141,080.73
  5. Step 5: Solve for x
    x = 454,141,080.73/26,856.80
  6. Step 6: Final answer
    x = 16,909.72

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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.