Home / 26,268.36-36,220.90-21,473.40

Finding the Fourth Proportional to 26,268.36, 36,220.90 and 21,473.40

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Solution

The fourth proportional to 26,268.36, 36,220.90 and 21,473.40 is: 29,609.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,268.36 : 36,220.90 = 21,473.40 : x
  2. Step 2: Convert to fraction form
    26,268.36/36,220.90 = 21,473.40/x
  3. Step 3: Cross multiply
    26,268.36x = 36,220.90 × 21,473.40
  4. Step 4: Simplify right side
    26,268.36x = 777,785,874.06
  5. Step 5: Solve for x
    x = 777,785,874.06/26,268.36
  6. Step 6: Final answer
    x = 29,609.23

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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.