Home / 23,154.15-34,717.82-20,386.38

Finding the Fourth Proportional to 23,154.15, 34,717.82 and 20,386.38

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Solution

The fourth proportional to 23,154.15, 34,717.82 and 20,386.38 is: 30,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,154.15 : 34,717.82 = 20,386.38 : x
  2. Step 2: Convert to fraction form
    23,154.15/34,717.82 = 20,386.38/x
  3. Step 3: Cross multiply
    23,154.15x = 34,717.82 × 20,386.38
  4. Step 4: Simplify right side
    23,154.15x = 707,770,569.36
  5. Step 5: Solve for x
    x = 707,770,569.36/23,154.15
  6. Step 6: Final answer
    x = 30,567.76

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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.