Home / 26,865.20-40,312.20-11,284.40

Finding the Fourth Proportional to 26,865.20, 40,312.20 and 11,284.40

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Solution

The fourth proportional to 26,865.20, 40,312.20 and 11,284.40 is: 16,932.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,865.20 : 40,312.20 = 11,284.40 : x
  2. Step 2: Convert to fraction form
    26,865.20/40,312.20 = 11,284.40/x
  3. Step 3: Cross multiply
    26,865.20x = 40,312.20 × 11,284.40
  4. Step 4: Simplify right side
    26,865.20x = 454,898,989.68
  5. Step 5: Solve for x
    x = 454,898,989.68/26,865.20
  6. Step 6: Final answer
    x = 16,932.65

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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.