Home / 26,651.10-36,780.30-15,324.33

Finding the Fourth Proportional to 26,651.10, 36,780.30 and 15,324.33

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Solution

The fourth proportional to 26,651.10, 36,780.30 and 15,324.33 is: 21,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,651.10 : 36,780.30 = 15,324.33 : x
  2. Step 2: Convert to fraction form
    26,651.10/36,780.30 = 15,324.33/x
  3. Step 3: Cross multiply
    26,651.10x = 36,780.30 × 15,324.33
  4. Step 4: Simplify right side
    26,651.10x = 563,633,454.70
  5. Step 5: Solve for x
    x = 563,633,454.70/26,651.10
  6. Step 6: Final answer
    x = 21,148.60

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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.