Home / 19,550.72-29,192.70-15,557.15

Finding the Fourth Proportional to 19,550.72, 29,192.70 and 15,557.15

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Solution

The fourth proportional to 19,550.72, 29,192.70 and 15,557.15 is: 23,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.72 : 29,192.70 = 15,557.15 : x
  2. Step 2: Convert to fraction form
    19,550.72/29,192.70 = 15,557.15/x
  3. Step 3: Cross multiply
    19,550.72x = 29,192.70 × 15,557.15
  4. Step 4: Simplify right side
    19,550.72x = 454,155,256.62
  5. Step 5: Solve for x
    x = 454,155,256.62/19,550.72
  6. Step 6: Final answer
    x = 23,229.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.