Home / 26,330.40-36,344.16-21,664.80

Finding the Fourth Proportional to 26,330.40, 36,344.16 and 21,664.80

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Solution

The fourth proportional to 26,330.40, 36,344.16 and 21,664.80 is: 29,904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,330.40 : 36,344.16 = 21,664.80 : x
  2. Step 2: Convert to fraction form
    26,330.40/36,344.16 = 21,664.80/x
  3. Step 3: Cross multiply
    26,330.40x = 36,344.16 × 21,664.80
  4. Step 4: Simplify right side
    26,330.40x = 787,388,957.57
  5. Step 5: Solve for x
    x = 787,388,957.57/26,330.40
  6. Step 6: Final answer
    x = 29,904.18

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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.