Home / 26,602.08-36,713.28-15,990

Finding the Fourth Proportional to 26,602.08, 36,713.28 and 15,990

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Solution

The fourth proportional to 26,602.08, 36,713.28 and 15,990 is: 22,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,602.08 : 36,713.28 = 15,990 : x
  2. Step 2: Convert to fraction form
    26,602.08/36,713.28 = 15,990/x
  3. Step 3: Cross multiply
    26,602.08x = 36,713.28 × 15,990
  4. Step 4: Simplify right side
    26,602.08x = 587,045,347.20
  5. Step 5: Solve for x
    x = 587,045,347.20/26,602.08
  6. Step 6: Final answer
    x = 22,067.65

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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.