Home / 28,251.96-38,989.30-17,077.56

Finding the Fourth Proportional to 28,251.96, 38,989.30 and 17,077.56

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Solution

The fourth proportional to 28,251.96, 38,989.30 and 17,077.56 is: 23,568.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251.96 : 38,989.30 = 17,077.56 : x
  2. Step 2: Convert to fraction form
    28,251.96/38,989.30 = 17,077.56/x
  3. Step 3: Cross multiply
    28,251.96x = 38,989.30 × 17,077.56
  4. Step 4: Simplify right side
    28,251.96x = 665,842,110.11
  5. Step 5: Solve for x
    x = 665,842,110.11/28,251.96
  6. Step 6: Final answer
    x = 23,568.00

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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.