Home / 76,387.28-114,553.58-26,453.97

Finding the Fourth Proportional to 76,387.28, 114,553.58 and 26,453.97

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Solution

The fourth proportional to 76,387.28, 114,553.58 and 26,453.97 is: 39,671.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,387.28 : 114,553.58 = 26,453.97 : x
  2. Step 2: Convert to fraction form
    76,387.28/114,553.58 = 26,453.97/x
  3. Step 3: Cross multiply
    76,387.28x = 114,553.58 × 26,453.97
  4. Step 4: Simplify right side
    76,387.28x = 3,030,396,968.71
  5. Step 5: Solve for x
    x = 3,030,396,968.71/76,387.28
  6. Step 6: Final answer
    x = 39,671.49

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1.5x scale

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.