Home / 26,730.24-40,135.83-21,228.18

Finding the Fourth Proportional to 26,730.24, 40,135.83 and 21,228.18

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Solution

The fourth proportional to 26,730.24, 40,135.83 and 21,228.18 is: 31,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,730.24 : 40,135.83 = 21,228.18 : x
  2. Step 2: Convert to fraction form
    26,730.24/40,135.83 = 21,228.18/x
  3. Step 3: Cross multiply
    26,730.24x = 40,135.83 × 21,228.18
  4. Step 4: Simplify right side
    26,730.24x = 852,010,623.69
  5. Step 5: Solve for x
    x = 852,010,623.69/26,730.24
  6. Step 6: Final answer
    x = 31,874.41

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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.