Home / 21,642.18-32,463.31-5,226.18

Finding the Fourth Proportional to 21,642.18, 32,463.31 and 5,226.18

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Solution

The fourth proportional to 21,642.18, 32,463.31 and 5,226.18 is: 7,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,642.18 : 32,463.31 = 5,226.18 : x
  2. Step 2: Convert to fraction form
    21,642.18/32,463.31 = 5,226.18/x
  3. Step 3: Cross multiply
    21,642.18x = 32,463.31 × 5,226.18
  4. Step 4: Simplify right side
    21,642.18x = 169,659,101.46
  5. Step 5: Solve for x
    x = 169,659,101.46/21,642.18
  6. Step 6: Final answer
    x = 7,839.28

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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.