Home / 26,339.18-36,351.48-15,012.80

Finding the Fourth Proportional to 26,339.18, 36,351.48 and 15,012.80

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Solution

The fourth proportional to 26,339.18, 36,351.48 and 15,012.80 is: 20,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,339.18 : 36,351.48 = 15,012.80 : x
  2. Step 2: Convert to fraction form
    26,339.18/36,351.48 = 15,012.80/x
  3. Step 3: Cross multiply
    26,339.18x = 36,351.48 × 15,012.80
  4. Step 4: Simplify right side
    26,339.18x = 545,737,498.94
  5. Step 5: Solve for x
    x = 545,737,498.94/26,339.18
  6. Step 6: Final answer
    x = 20,719.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.