Home / 25,191.25-37,779.13-8,321.23

Finding the Fourth Proportional to 25,191.25, 37,779.13 and 8,321.23

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Solution

The fourth proportional to 25,191.25, 37,779.13 and 8,321.23 is: 12,479.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,191.25 : 37,779.13 = 8,321.23 : x
  2. Step 2: Convert to fraction form
    25,191.25/37,779.13 = 8,321.23/x
  3. Step 3: Cross multiply
    25,191.25x = 37,779.13 × 8,321.23
  4. Step 4: Simplify right side
    25,191.25x = 314,368,699.08
  5. Step 5: Solve for x
    x = 314,368,699.08/25,191.25
  6. Step 6: Final answer
    x = 12,479.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.