Home / 26,904.42-40,356.56-12,821.76

Finding the Fourth Proportional to 26,904.42, 40,356.56 and 12,821.76

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Solution

The fourth proportional to 26,904.42, 40,356.56 and 12,821.76 is: 19,232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,904.42 : 40,356.56 = 12,821.76 : x
  2. Step 2: Convert to fraction form
    26,904.42/40,356.56 = 12,821.76/x
  3. Step 3: Cross multiply
    26,904.42x = 40,356.56 × 12,821.76
  4. Step 4: Simplify right side
    26,904.42x = 517,442,158.80
  5. Step 5: Solve for x
    x = 517,442,158.80/26,904.42
  6. Step 6: Final answer
    x = 19,232.61

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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.