Home / 26,094.31-39,144.51-8,318.77

Finding the Fourth Proportional to 26,094.31, 39,144.51 and 8,318.77

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Solution

The fourth proportional to 26,094.31, 39,144.51 and 8,318.77 is: 12,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,094.31 : 39,144.51 = 8,318.77 : x
  2. Step 2: Convert to fraction form
    26,094.31/39,144.51 = 8,318.77/x
  3. Step 3: Cross multiply
    26,094.31x = 39,144.51 × 8,318.77
  4. Step 4: Simplify right side
    26,094.31x = 325,634,077.59
  5. Step 5: Solve for x
    x = 325,634,077.59/26,094.31
  6. Step 6: Final answer
    x = 12,479.12

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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.