Home / 25,889.09-38,775.29-18,132.53

Finding the Fourth Proportional to 25,889.09, 38,775.29 and 18,132.53

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Solution

The fourth proportional to 25,889.09, 38,775.29 and 18,132.53 is: 27,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,889.09 : 38,775.29 = 18,132.53 : x
  2. Step 2: Convert to fraction form
    25,889.09/38,775.29 = 18,132.53/x
  3. Step 3: Cross multiply
    25,889.09x = 38,775.29 × 18,132.53
  4. Step 4: Simplify right side
    25,889.09x = 703,094,109.18
  5. Step 5: Solve for x
    x = 703,094,109.18/25,889.09
  6. Step 6: Final answer
    x = 27,157.93

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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.