Home / 26,742.51-40,118.67-8,971.38

Finding the Fourth Proportional to 26,742.51, 40,118.67 and 8,971.38

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Solution

The fourth proportional to 26,742.51, 40,118.67 and 8,971.38 is: 13,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,742.51 : 40,118.67 = 8,971.38 : x
  2. Step 2: Convert to fraction form
    26,742.51/40,118.67 = 8,971.38/x
  3. Step 3: Cross multiply
    26,742.51x = 40,118.67 × 8,971.38
  4. Step 4: Simplify right side
    26,742.51x = 359,919,833.66
  5. Step 5: Solve for x
    x = 359,919,833.66/26,742.51
  6. Step 6: Final answer
    x = 13,458.72

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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.