Home / 26,506.76-39,760.31-7,786.72

Finding the Fourth Proportional to 26,506.76, 39,760.31 and 7,786.72

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Solution

The fourth proportional to 26,506.76, 39,760.31 and 7,786.72 is: 11,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,506.76 : 39,760.31 = 7,786.72 : x
  2. Step 2: Convert to fraction form
    26,506.76/39,760.31 = 7,786.72/x
  3. Step 3: Cross multiply
    26,506.76x = 39,760.31 × 7,786.72
  4. Step 4: Simplify right side
    26,506.76x = 309,602,401.08
  5. Step 5: Solve for x
    x = 309,602,401.08/26,506.76
  6. Step 6: Final answer
    x = 11,680.13

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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.