Home / 76,795.55-115,245.22-26,876.08

Finding the Fourth Proportional to 76,795.55, 115,245.22 and 26,876.08

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Solution

The fourth proportional to 76,795.55, 115,245.22 and 26,876.08 is: 40,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,795.55 : 115,245.22 = 26,876.08 : x
  2. Step 2: Convert to fraction form
    76,795.55/115,245.22 = 26,876.08/x
  3. Step 3: Cross multiply
    76,795.55x = 115,245.22 × 26,876.08
  4. Step 4: Simplify right side
    76,795.55x = 3,097,339,752.34
  5. Step 5: Solve for x
    x = 3,097,339,752.34/76,795.55
  6. Step 6: Final answer
    x = 40,332.28

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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.