Home / 22,382.32-30,889.12-14,815.62

Finding the Fourth Proportional to 22,382.32, 30,889.12 and 14,815.62

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Solution

The fourth proportional to 22,382.32, 30,889.12 and 14,815.62 is: 20,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,382.32 : 30,889.12 = 14,815.62 : x
  2. Step 2: Convert to fraction form
    22,382.32/30,889.12 = 14,815.62/x
  3. Step 3: Cross multiply
    22,382.32x = 30,889.12 × 14,815.62
  4. Step 4: Simplify right side
    22,382.32x = 457,641,464.05
  5. Step 5: Solve for x
    x = 457,641,464.05/22,382.32
  6. Step 6: Final answer
    x = 20,446.56

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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.