Home / 25,727.93-38,531.41-12,538.97

Finding the Fourth Proportional to 25,727.93, 38,531.41 and 12,538.97

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Solution

The fourth proportional to 25,727.93, 38,531.41 and 12,538.97 is: 18,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,727.93 : 38,531.41 = 12,538.97 : x
  2. Step 2: Convert to fraction form
    25,727.93/38,531.41 = 12,538.97/x
  3. Step 3: Cross multiply
    25,727.93x = 38,531.41 × 12,538.97
  4. Step 4: Simplify right side
    25,727.93x = 483,144,194.05
  5. Step 5: Solve for x
    x = 483,144,194.05/25,727.93
  6. Step 6: Final answer
    x = 18,778.98

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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.