Home / 22,749.28-31,394.32-12,677.44

Finding the Fourth Proportional to 22,749.28, 31,394.32 and 12,677.44

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Solution

The fourth proportional to 22,749.28, 31,394.32 and 12,677.44 is: 17,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,749.28 : 31,394.32 = 12,677.44 : x
  2. Step 2: Convert to fraction form
    22,749.28/31,394.32 = 12,677.44/x
  3. Step 3: Cross multiply
    22,749.28x = 31,394.32 × 12,677.44
  4. Step 4: Simplify right side
    22,749.28x = 397,999,608.14
  5. Step 5: Solve for x
    x = 397,999,608.14/22,749.28
  6. Step 6: Final answer
    x = 17,495.04

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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.