Home / 76,371.28-114,529.44-26,437.80

Finding the Fourth Proportional to 76,371.28, 114,529.44 and 26,437.80

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Solution

The fourth proportional to 76,371.28, 114,529.44 and 26,437.80 is: 39,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,371.28 : 114,529.44 = 26,437.80 : x
  2. Step 2: Convert to fraction form
    76,371.28/114,529.44 = 26,437.80/x
  3. Step 3: Cross multiply
    76,371.28x = 114,529.44 × 26,437.80
  4. Step 4: Simplify right side
    76,371.28x = 3,027,906,428.83
  5. Step 5: Solve for x
    x = 3,027,906,428.83/76,371.28
  6. Step 6: Final answer
    x = 39,647.19

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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.