Home / 25,561.02-38,329.38-8,919.04

Finding the Fourth Proportional to 25,561.02, 38,329.38 and 8,919.04

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Solution

The fourth proportional to 25,561.02, 38,329.38 and 8,919.04 is: 13,374.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,561.02 : 38,329.38 = 8,919.04 : x
  2. Step 2: Convert to fraction form
    25,561.02/38,329.38 = 8,919.04/x
  3. Step 3: Cross multiply
    25,561.02x = 38,329.38 × 8,919.04
  4. Step 4: Simplify right side
    25,561.02x = 341,861,273.40
  5. Step 5: Solve for x
    x = 341,861,273.40/25,561.02
  6. Step 6: Final answer
    x = 13,374.32

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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.