Home / 25,998.07-38,999.85-8,231.18

Finding the Fourth Proportional to 25,998.07, 38,999.85 and 8,231.18

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Solution

The fourth proportional to 25,998.07, 38,999.85 and 8,231.18 is: 12,347.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,998.07 : 38,999.85 = 8,231.18 : x
  2. Step 2: Convert to fraction form
    25,998.07/38,999.85 = 8,231.18/x
  3. Step 3: Cross multiply
    25,998.07x = 38,999.85 × 8,231.18
  4. Step 4: Simplify right side
    25,998.07x = 321,014,851.04
  5. Step 5: Solve for x
    x = 321,014,851.04/25,998.07
  6. Step 6: Final answer
    x = 12,347.64

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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.