Home / 25,443.72-38,163.66-12,955.92

Finding the Fourth Proportional to 25,443.72, 38,163.66 and 12,955.92

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Solution

The fourth proportional to 25,443.72, 38,163.66 and 12,955.92 is: 19,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443.72 : 38,163.66 = 12,955.92 : x
  2. Step 2: Convert to fraction form
    25,443.72/38,163.66 = 12,955.92/x
  3. Step 3: Cross multiply
    25,443.72x = 38,163.66 × 12,955.92
  4. Step 4: Simplify right side
    25,443.72x = 494,445,325.87
  5. Step 5: Solve for x
    x = 494,445,325.87/25,443.72
  6. Step 6: Final answer
    x = 19,432.90

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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.