Home / 25,559.34-38,339.22-8,919.30

Finding the Fourth Proportional to 25,559.34, 38,339.22 and 8,919.30

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Solution

The fourth proportional to 25,559.34, 38,339.22 and 8,919.30 is: 13,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,559.34 : 38,339.22 = 8,919.30 : x
  2. Step 2: Convert to fraction form
    25,559.34/38,339.22 = 8,919.30/x
  3. Step 3: Cross multiply
    25,559.34x = 38,339.22 × 8,919.30
  4. Step 4: Simplify right side
    25,559.34x = 341,959,004.95
  5. Step 5: Solve for x
    x = 341,959,004.95/25,559.34
  6. Step 6: Final answer
    x = 13,379.02

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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.