Home / 22,110.16-30,500.92-15,826.20

Finding the Fourth Proportional to 22,110.16, 30,500.92 and 15,826.20

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Solution

The fourth proportional to 22,110.16, 30,500.92 and 15,826.20 is: 21,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.16 : 30,500.92 = 15,826.20 : x
  2. Step 2: Convert to fraction form
    22,110.16/30,500.92 = 15,826.20/x
  3. Step 3: Cross multiply
    22,110.16x = 30,500.92 × 15,826.20
  4. Step 4: Simplify right side
    22,110.16x = 482,713,660.10
  5. Step 5: Solve for x
    x = 482,713,660.10/22,110.16
  6. Step 6: Final answer
    x = 21,832.21

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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.