Home / 22,628.35-31,257.56-17,388.66

Finding the Fourth Proportional to 22,628.35, 31,257.56 and 17,388.66

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Solution

The fourth proportional to 22,628.35, 31,257.56 and 17,388.66 is: 24,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,628.35 : 31,257.56 = 17,388.66 : x
  2. Step 2: Convert to fraction form
    22,628.35/31,257.56 = 17,388.66/x
  3. Step 3: Cross multiply
    22,628.35x = 31,257.56 × 17,388.66
  4. Step 4: Simplify right side
    22,628.35x = 543,527,083.27
  5. Step 5: Solve for x
    x = 543,527,083.27/22,628.35
  6. Step 6: Final answer
    x = 24,019.74

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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.