Home / 26,999.28-40,524.84-13,158

Finding the Fourth Proportional to 26,999.28, 40,524.84 and 13,158

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Solution

The fourth proportional to 26,999.28, 40,524.84 and 13,158 is: 19,749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.28 : 40,524.84 = 13,158 : x
  2. Step 2: Convert to fraction form
    26,999.28/40,524.84 = 13,158/x
  3. Step 3: Cross multiply
    26,999.28x = 40,524.84 × 13,158
  4. Step 4: Simplify right side
    26,999.28x = 533,225,844.72
  5. Step 5: Solve for x
    x = 533,225,844.72/26,999.28
  6. Step 6: Final answer
    x = 19,749.63

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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.