Home / 26,291.88-36,281.39-15,393.33

Finding the Fourth Proportional to 26,291.88, 36,281.39 and 15,393.33

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Solution

The fourth proportional to 26,291.88, 36,281.39 and 15,393.33 is: 21,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,291.88 : 36,281.39 = 15,393.33 : x
  2. Step 2: Convert to fraction form
    26,291.88/36,281.39 = 15,393.33/x
  3. Step 3: Cross multiply
    26,291.88x = 36,281.39 × 15,393.33
  4. Step 4: Simplify right side
    26,291.88x = 558,491,332.16
  5. Step 5: Solve for x
    x = 558,491,332.16/26,291.88
  6. Step 6: Final answer
    x = 21,241.97

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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.