Home / 76,362.28-114,515.96-26,428.80

Finding the Fourth Proportional to 76,362.28, 114,515.96 and 26,428.80

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Solution

The fourth proportional to 76,362.28, 114,515.96 and 26,428.80 is: 39,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,362.28 : 114,515.96 = 26,428.80 : x
  2. Step 2: Convert to fraction form
    76,362.28/114,515.96 = 26,428.80/x
  3. Step 3: Cross multiply
    76,362.28x = 114,515.96 × 26,428.80
  4. Step 4: Simplify right side
    76,362.28x = 3,026,519,403.65
  5. Step 5: Solve for x
    x = 3,026,519,403.65/76,362.28
  6. Step 6: Final answer
    x = 39,633.70

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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.