Home / 19,553.80-26,999.78-18,061.18

Finding the Fourth Proportional to 19,553.80, 26,999.78 and 18,061.18

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Solution

The fourth proportional to 19,553.80, 26,999.78 and 18,061.18 is: 24,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.80 : 26,999.78 = 18,061.18 : x
  2. Step 2: Convert to fraction form
    19,553.80/26,999.78 = 18,061.18/x
  3. Step 3: Cross multiply
    19,553.80x = 26,999.78 × 18,061.18
  4. Step 4: Simplify right side
    19,553.80x = 487,647,886.54
  5. Step 5: Solve for x
    x = 487,647,886.54/19,553.80
  6. Step 6: Final answer
    x = 24,938.78

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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.