Home / 22,645.20-31,252.32-12,576.90

Finding the Fourth Proportional to 22,645.20, 31,252.32 and 12,576.90

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Solution

The fourth proportional to 22,645.20, 31,252.32 and 12,576.90 is: 17,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,645.20 : 31,252.32 = 12,576.90 : x
  2. Step 2: Convert to fraction form
    22,645.20/31,252.32 = 12,576.90/x
  3. Step 3: Cross multiply
    22,645.20x = 31,252.32 × 12,576.90
  4. Step 4: Simplify right side
    22,645.20x = 393,057,303.41
  5. Step 5: Solve for x
    x = 393,057,303.41/22,645.20
  6. Step 6: Final answer
    x = 17,357.20

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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.