Home / 25,561.92-38,342.40-18,034.56

Finding the Fourth Proportional to 25,561.92, 38,342.40 and 18,034.56

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Solution

The fourth proportional to 25,561.92, 38,342.40 and 18,034.56 is: 27,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,561.92 : 38,342.40 = 18,034.56 : x
  2. Step 2: Convert to fraction form
    25,561.92/38,342.40 = 18,034.56/x
  3. Step 3: Cross multiply
    25,561.92x = 38,342.40 × 18,034.56
  4. Step 4: Simplify right side
    25,561.92x = 691,488,313.34
  5. Step 5: Solve for x
    x = 691,488,313.34/25,561.92
  6. Step 6: Final answer
    x = 27,051.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.