Home / 22,464.92-31,006.32-15,400.64

Finding the Fourth Proportional to 22,464.92, 31,006.32 and 15,400.64

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Solution

The fourth proportional to 22,464.92, 31,006.32 and 15,400.64 is: 21,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,464.92 : 31,006.32 = 15,400.64 : x
  2. Step 2: Convert to fraction form
    22,464.92/31,006.32 = 15,400.64/x
  3. Step 3: Cross multiply
    22,464.92x = 31,006.32 × 15,400.64
  4. Step 4: Simplify right side
    22,464.92x = 477,517,172.04
  5. Step 5: Solve for x
    x = 477,517,172.04/22,464.92
  6. Step 6: Final answer
    x = 21,256.13

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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.