Home / 25,731.72-38,597.70-9,089.85

Finding the Fourth Proportional to 25,731.72, 38,597.70 and 9,089.85

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Solution

The fourth proportional to 25,731.72, 38,597.70 and 9,089.85 is: 13,634.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,731.72 : 38,597.70 = 9,089.85 : x
  2. Step 2: Convert to fraction form
    25,731.72/38,597.70 = 9,089.85/x
  3. Step 3: Cross multiply
    25,731.72x = 38,597.70 × 9,089.85
  4. Step 4: Simplify right side
    25,731.72x = 350,847,303.35
  5. Step 5: Solve for x
    x = 350,847,303.35/25,731.72
  6. Step 6: Final answer
    x = 13,634.82

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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.