Home / 26,722.57-36,879.90-15,392.50

Finding the Fourth Proportional to 26,722.57, 36,879.90 and 15,392.50

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Solution

The fourth proportional to 26,722.57, 36,879.90 and 15,392.50 is: 21,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,722.57 : 36,879.90 = 15,392.50 : x
  2. Step 2: Convert to fraction form
    26,722.57/36,879.90 = 15,392.50/x
  3. Step 3: Cross multiply
    26,722.57x = 36,879.90 × 15,392.50
  4. Step 4: Simplify right side
    26,722.57x = 567,673,860.75
  5. Step 5: Solve for x
    x = 567,673,860.75/26,722.57
  6. Step 6: Final answer
    x = 21,243.24

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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.