Home / 25,444.96-38,125.94-12,947.80

Finding the Fourth Proportional to 25,444.96, 38,125.94 and 12,947.80

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Solution

The fourth proportional to 25,444.96, 38,125.94 and 12,947.80 is: 19,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,444.96 : 38,125.94 = 12,947.80 : x
  2. Step 2: Convert to fraction form
    25,444.96/38,125.94 = 12,947.80/x
  3. Step 3: Cross multiply
    25,444.96x = 38,125.94 × 12,947.80
  4. Step 4: Simplify right side
    25,444.96x = 493,647,045.93
  5. Step 5: Solve for x
    x = 493,647,045.93/25,444.96
  6. Step 6: Final answer
    x = 19,400.58

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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.