Home / 26,409.24-36,446.96-21,680.28

Finding the Fourth Proportional to 26,409.24, 36,446.96 and 21,680.28

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Solution

The fourth proportional to 26,409.24, 36,446.96 and 21,680.28 is: 29,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,409.24 : 36,446.96 = 21,680.28 : x
  2. Step 2: Convert to fraction form
    26,409.24/36,446.96 = 21,680.28/x
  3. Step 3: Cross multiply
    26,409.24x = 36,446.96 × 21,680.28
  4. Step 4: Simplify right side
    26,409.24x = 790,180,297.95
  5. Step 5: Solve for x
    x = 790,180,297.95/26,409.24
  6. Step 6: Final answer
    x = 29,920.60

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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.