Home / 23,382.91-32,242.88-15,816.12

Finding the Fourth Proportional to 23,382.91, 32,242.88 and 15,816.12

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Solution

The fourth proportional to 23,382.91, 32,242.88 and 15,816.12 is: 21,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,382.91 : 32,242.88 = 15,816.12 : x
  2. Step 2: Convert to fraction form
    23,382.91/32,242.88 = 15,816.12/x
  3. Step 3: Cross multiply
    23,382.91x = 32,242.88 × 15,816.12
  4. Step 4: Simplify right side
    23,382.91x = 509,957,118.54
  5. Step 5: Solve for x
    x = 509,957,118.54/23,382.91
  6. Step 6: Final answer
    x = 21,808.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.