Home / 22,119.89-33,160.25-15,864.17

Finding the Fourth Proportional to 22,119.89, 33,160.25 and 15,864.17

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Solution

The fourth proportional to 22,119.89, 33,160.25 and 15,864.17 is: 23,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,119.89 : 33,160.25 = 15,864.17 : x
  2. Step 2: Convert to fraction form
    22,119.89/33,160.25 = 15,864.17/x
  3. Step 3: Cross multiply
    22,119.89x = 33,160.25 × 15,864.17
  4. Step 4: Simplify right side
    22,119.89x = 526,059,763.92
  5. Step 5: Solve for x
    x = 526,059,763.92/22,119.89
  6. Step 6: Final answer
    x = 23,782.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.