Home / 20,010.96-29,873.58-17,387.28

Finding the Fourth Proportional to 20,010.96, 29,873.58 and 17,387.28

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Solution

The fourth proportional to 20,010.96, 29,873.58 and 17,387.28 is: 25,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.96 : 29,873.58 = 17,387.28 : x
  2. Step 2: Convert to fraction form
    20,010.96/29,873.58 = 17,387.28/x
  3. Step 3: Cross multiply
    20,010.96x = 29,873.58 × 17,387.28
  4. Step 4: Simplify right side
    20,010.96x = 519,420,300.06
  5. Step 5: Solve for x
    x = 519,420,300.06/20,010.96
  6. Step 6: Final answer
    x = 25,956.79

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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.