Home / 22,576.86-31,159.62-13,625.64

Finding the Fourth Proportional to 22,576.86, 31,159.62 and 13,625.64

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Solution

The fourth proportional to 22,576.86, 31,159.62 and 13,625.64 is: 18,805.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,576.86 : 31,159.62 = 13,625.64 : x
  2. Step 2: Convert to fraction form
    22,576.86/31,159.62 = 13,625.64/x
  3. Step 3: Cross multiply
    22,576.86x = 31,159.62 × 13,625.64
  4. Step 4: Simplify right side
    22,576.86x = 424,569,764.66
  5. Step 5: Solve for x
    x = 424,569,764.66/22,576.86
  6. Step 6: Final answer
    x = 18,805.53

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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.