Home / 22,844.14-31,515.66-15,191.08

Finding the Fourth Proportional to 22,844.14, 31,515.66 and 15,191.08

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Solution

The fourth proportional to 22,844.14, 31,515.66 and 15,191.08 is: 20,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,844.14 : 31,515.66 = 15,191.08 : x
  2. Step 2: Convert to fraction form
    22,844.14/31,515.66 = 15,191.08/x
  3. Step 3: Cross multiply
    22,844.14x = 31,515.66 × 15,191.08
  4. Step 4: Simplify right side
    22,844.14x = 478,756,912.31
  5. Step 5: Solve for x
    x = 478,756,912.31/22,844.14
  6. Step 6: Final answer
    x = 20,957.54

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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.