Home / 25,617.78-35,360.42-15,010.83

Finding the Fourth Proportional to 25,617.78, 35,360.42 and 15,010.83

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Solution

The fourth proportional to 25,617.78, 35,360.42 and 15,010.83 is: 20,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,617.78 : 35,360.42 = 15,010.83 : x
  2. Step 2: Convert to fraction form
    25,617.78/35,360.42 = 15,010.83/x
  3. Step 3: Cross multiply
    25,617.78x = 35,360.42 × 15,010.83
  4. Step 4: Simplify right side
    25,617.78x = 530,789,178.29
  5. Step 5: Solve for x
    x = 530,789,178.29/25,617.78
  6. Step 6: Final answer
    x = 20,719.56

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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.