Home / 76,803.85-115,217.93-26,882.74

Finding the Fourth Proportional to 76,803.85, 115,217.93 and 26,882.74

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Solution

The fourth proportional to 76,803.85, 115,217.93 and 26,882.74 is: 40,328.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,803.85 : 115,217.93 = 26,882.74 : x
  2. Step 2: Convert to fraction form
    76,803.85/115,217.93 = 26,882.74/x
  3. Step 3: Cross multiply
    76,803.85x = 115,217.93 × 26,882.74
  4. Step 4: Simplify right side
    76,803.85x = 3,097,373,521.11
  5. Step 5: Solve for x
    x = 3,097,373,521.11/76,803.85
  6. Step 6: Final answer
    x = 40,328.36

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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.