Home / 22,199.43-30,628.10-15,827.05

Finding the Fourth Proportional to 22,199.43, 30,628.10 and 15,827.05

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Solution

The fourth proportional to 22,199.43, 30,628.10 and 15,827.05 is: 21,836.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,199.43 : 30,628.10 = 15,827.05 : x
  2. Step 2: Convert to fraction form
    22,199.43/30,628.10 = 15,827.05/x
  3. Step 3: Cross multiply
    22,199.43x = 30,628.10 × 15,827.05
  4. Step 4: Simplify right side
    22,199.43x = 484,752,470.11
  5. Step 5: Solve for x
    x = 484,752,470.11/22,199.43
  6. Step 6: Final answer
    x = 21,836.26

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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.