Home / 25,947.41-38,890.87-11,908.92

Finding the Fourth Proportional to 25,947.41, 38,890.87 and 11,908.92

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Solution

The fourth proportional to 25,947.41, 38,890.87 and 11,908.92 is: 17,849.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,947.41 : 38,890.87 = 11,908.92 : x
  2. Step 2: Convert to fraction form
    25,947.41/38,890.87 = 11,908.92/x
  3. Step 3: Cross multiply
    25,947.41x = 38,890.87 × 11,908.92
  4. Step 4: Simplify right side
    25,947.41x = 463,148,259.56
  5. Step 5: Solve for x
    x = 463,148,259.56/25,947.41
  6. Step 6: Final answer
    x = 17,849.50

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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.