Home / 25,886.24-38,820.90-8,351.96

Finding the Fourth Proportional to 25,886.24, 38,820.90 and 8,351.96

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Solution

The fourth proportional to 25,886.24, 38,820.90 and 8,351.96 is: 12,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,886.24 : 38,820.90 = 8,351.96 : x
  2. Step 2: Convert to fraction form
    25,886.24/38,820.90 = 8,351.96/x
  3. Step 3: Cross multiply
    25,886.24x = 38,820.90 × 8,351.96
  4. Step 4: Simplify right side
    25,886.24x = 324,230,701.02
  5. Step 5: Solve for x
    x = 324,230,701.02/25,886.24
  6. Step 6: Final answer
    x = 12,525.22

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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.