Home / 25,453.02-38,178.96-8,812.05

Finding the Fourth Proportional to 25,453.02, 38,178.96 and 8,812.05

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Solution

The fourth proportional to 25,453.02, 38,178.96 and 8,812.05 is: 13,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.02 : 38,178.96 = 8,812.05 : x
  2. Step 2: Convert to fraction form
    25,453.02/38,178.96 = 8,812.05/x
  3. Step 3: Cross multiply
    25,453.02x = 38,178.96 × 8,812.05
  4. Step 4: Simplify right side
    25,453.02x = 336,434,904.47
  5. Step 5: Solve for x
    x = 336,434,904.47/25,453.02
  6. Step 6: Final answer
    x = 13,217.88

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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.