Home / 28,253.96-38,992.06-17,079.56

Finding the Fourth Proportional to 28,253.96, 38,992.06 and 17,079.56

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Solution

The fourth proportional to 28,253.96, 38,992.06 and 17,079.56 is: 23,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,253.96 : 38,992.06 = 17,079.56 : x
  2. Step 2: Convert to fraction form
    28,253.96/38,992.06 = 17,079.56/x
  3. Step 3: Cross multiply
    28,253.96x = 38,992.06 × 17,079.56
  4. Step 4: Simplify right side
    28,253.96x = 665,967,228.29
  5. Step 5: Solve for x
    x = 665,967,228.29/28,253.96
  6. Step 6: Final answer
    x = 23,570.76

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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.