Home / 25,774.78-35,519.40-18,309.82

Finding the Fourth Proportional to 25,774.78, 35,519.40 and 18,309.82

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Solution

The fourth proportional to 25,774.78, 35,519.40 and 18,309.82 is: 25,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,774.78 : 35,519.40 = 18,309.82 : x
  2. Step 2: Convert to fraction form
    25,774.78/35,519.40 = 18,309.82/x
  3. Step 3: Cross multiply
    25,774.78x = 35,519.40 × 18,309.82
  4. Step 4: Simplify right side
    25,774.78x = 650,353,820.51
  5. Step 5: Solve for x
    x = 650,353,820.51/25,774.78
  6. Step 6: Final answer
    x = 25,232.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.