Home / 25,589.48-38,351.40-12,259.72

Finding the Fourth Proportional to 25,589.48, 38,351.40 and 12,259.72

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Solution

The fourth proportional to 25,589.48, 38,351.40 and 12,259.72 is: 18,373.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,589.48 : 38,351.40 = 12,259.72 : x
  2. Step 2: Convert to fraction form
    25,589.48/38,351.40 = 12,259.72/x
  3. Step 3: Cross multiply
    25,589.48x = 38,351.40 × 12,259.72
  4. Step 4: Simplify right side
    25,589.48x = 470,177,425.61
  5. Step 5: Solve for x
    x = 470,177,425.61/25,589.48
  6. Step 6: Final answer
    x = 18,373.86

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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.