Home / 22,178.43-30,596.43-15,005.79

Finding the Fourth Proportional to 22,178.43, 30,596.43 and 15,005.79

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Solution

The fourth proportional to 22,178.43, 30,596.43 and 15,005.79 is: 20,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.43 : 30,596.43 = 15,005.79 : x
  2. Step 2: Convert to fraction form
    22,178.43/30,596.43 = 15,005.79/x
  3. Step 3: Cross multiply
    22,178.43x = 30,596.43 × 15,005.79
  4. Step 4: Simplify right side
    22,178.43x = 459,123,603.33
  5. Step 5: Solve for x
    x = 459,123,603.33/22,178.43
  6. Step 6: Final answer
    x = 20,701.36

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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.