Home / 22,229.86-30,685.08-19,605.46

Finding the Fourth Proportional to 22,229.86, 30,685.08 and 19,605.46

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Solution

The fourth proportional to 22,229.86, 30,685.08 and 19,605.46 is: 27,062.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,229.86 : 30,685.08 = 19,605.46 : x
  2. Step 2: Convert to fraction form
    22,229.86/30,685.08 = 19,605.46/x
  3. Step 3: Cross multiply
    22,229.86x = 30,685.08 × 19,605.46
  4. Step 4: Simplify right side
    22,229.86x = 601,595,108.54
  5. Step 5: Solve for x
    x = 601,595,108.54/22,229.86
  6. Step 6: Final answer
    x = 27,062.48

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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.