Home / 22,229.79-33,307.67-15,642.14

Finding the Fourth Proportional to 22,229.79, 33,307.67 and 15,642.14

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Solution

The fourth proportional to 22,229.79, 33,307.67 and 15,642.14 is: 23,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,229.79 : 33,307.67 = 15,642.14 : x
  2. Step 2: Convert to fraction form
    22,229.79/33,307.67 = 15,642.14/x
  3. Step 3: Cross multiply
    22,229.79x = 33,307.67 × 15,642.14
  4. Step 4: Simplify right side
    22,229.79x = 521,002,992.46
  5. Step 5: Solve for x
    x = 521,002,992.46/22,229.79
  6. Step 6: Final answer
    x = 23,437.15

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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.