Home / 26,378.24-36,398.72-21,014.33

Finding the Fourth Proportional to 26,378.24, 36,398.72 and 21,014.33

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Solution

The fourth proportional to 26,378.24, 36,398.72 and 21,014.33 is: 28,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.24 : 36,398.72 = 21,014.33 : x
  2. Step 2: Convert to fraction form
    26,378.24/36,398.72 = 21,014.33/x
  3. Step 3: Cross multiply
    26,378.24x = 36,398.72 × 21,014.33
  4. Step 4: Simplify right side
    26,378.24x = 764,894,584.20
  5. Step 5: Solve for x
    x = 764,894,584.20/26,378.24
  6. Step 6: Final answer
    x = 28,997.19

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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.