Home / 26,445.84-39,642.84-10,872.24

Finding the Fourth Proportional to 26,445.84, 39,642.84 and 10,872.24

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Solution

The fourth proportional to 26,445.84, 39,642.84 and 10,872.24 is: 16,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,445.84 : 39,642.84 = 10,872.24 : x
  2. Step 2: Convert to fraction form
    26,445.84/39,642.84 = 10,872.24/x
  3. Step 3: Cross multiply
    26,445.84x = 39,642.84 × 10,872.24
  4. Step 4: Simplify right side
    26,445.84x = 431,006,470.76
  5. Step 5: Solve for x
    x = 431,006,470.76/26,445.84
  6. Step 6: Final answer
    x = 16,297.70

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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.