Home / 76,887.36-115,382.34-26,967.42

Finding the Fourth Proportional to 76,887.36, 115,382.34 and 26,967.42

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Solution

The fourth proportional to 76,887.36, 115,382.34 and 26,967.42 is: 40,469.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,887.36 : 115,382.34 = 26,967.42 : x
  2. Step 2: Convert to fraction form
    76,887.36/115,382.34 = 26,967.42/x
  3. Step 3: Cross multiply
    76,887.36x = 115,382.34 × 26,967.42
  4. Step 4: Simplify right side
    76,887.36x = 3,111,564,023.36
  5. Step 5: Solve for x
    x = 3,111,564,023.36/76,887.36
  6. Step 6: Final answer
    x = 40,469.12

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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.