Home / 26,256.78-39,370.59-8,717.04

Finding the Fourth Proportional to 26,256.78, 39,370.59 and 8,717.04

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Solution

The fourth proportional to 26,256.78, 39,370.59 and 8,717.04 is: 13,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,256.78 : 39,370.59 = 8,717.04 : x
  2. Step 2: Convert to fraction form
    26,256.78/39,370.59 = 8,717.04/x
  3. Step 3: Cross multiply
    26,256.78x = 39,370.59 × 8,717.04
  4. Step 4: Simplify right side
    26,256.78x = 343,195,007.85
  5. Step 5: Solve for x
    x = 343,195,007.85/26,256.78
  6. Step 6: Final answer
    x = 13,070.72

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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.