Home / 26,687.45-40,017.59-8,911.72

Finding the Fourth Proportional to 26,687.45, 40,017.59 and 8,911.72

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Solution

The fourth proportional to 26,687.45, 40,017.59 and 8,911.72 is: 13,363.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.45 : 40,017.59 = 8,911.72 : x
  2. Step 2: Convert to fraction form
    26,687.45/40,017.59 = 8,911.72/x
  3. Step 3: Cross multiply
    26,687.45x = 40,017.59 × 8,911.72
  4. Step 4: Simplify right side
    26,687.45x = 356,625,557.15
  5. Step 5: Solve for x
    x = 356,625,557.15/26,687.45
  6. Step 6: Final answer
    x = 13,363.04

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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.