Home / 23,721.23-35,569.78-7,920.59

Finding the Fourth Proportional to 23,721.23, 35,569.78 and 7,920.59

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Solution

The fourth proportional to 23,721.23, 35,569.78 and 7,920.59 is: 11,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,721.23 : 35,569.78 = 7,920.59 : x
  2. Step 2: Convert to fraction form
    23,721.23/35,569.78 = 7,920.59/x
  3. Step 3: Cross multiply
    23,721.23x = 35,569.78 × 7,920.59
  4. Step 4: Simplify right side
    23,721.23x = 281,733,446.12
  5. Step 5: Solve for x
    x = 281,733,446.12/23,721.23
  6. Step 6: Final answer
    x = 11,876.85

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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.