Home / 21,633.65-32,444.19-8,305.71

Finding the Fourth Proportional to 21,633.65, 32,444.19 and 8,305.71

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Solution

The fourth proportional to 21,633.65, 32,444.19 and 8,305.71 is: 12,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633.65 : 32,444.19 = 8,305.71 : x
  2. Step 2: Convert to fraction form
    21,633.65/32,444.19 = 8,305.71/x
  3. Step 3: Cross multiply
    21,633.65x = 32,444.19 × 8,305.71
  4. Step 4: Simplify right side
    21,633.65x = 269,472,033.32
  5. Step 5: Solve for x
    x = 269,472,033.32/21,633.65
  6. Step 6: Final answer
    x = 12,456.15

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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.