Home / 22,176.29-30,551.29-15,449.75

Finding the Fourth Proportional to 22,176.29, 30,551.29 and 15,449.75

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Solution

The fourth proportional to 22,176.29, 30,551.29 and 15,449.75 is: 21,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.29 : 30,551.29 = 15,449.75 : x
  2. Step 2: Convert to fraction form
    22,176.29/30,551.29 = 15,449.75/x
  3. Step 3: Cross multiply
    22,176.29x = 30,551.29 × 15,449.75
  4. Step 4: Simplify right side
    22,176.29x = 472,009,639.92
  5. Step 5: Solve for x
    x = 472,009,639.92/22,176.29
  6. Step 6: Final answer
    x = 21,284.43

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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.