Home / 26,679.44-36,822.12-15,507.92

Finding the Fourth Proportional to 26,679.44, 36,822.12 and 15,507.92

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Solution

The fourth proportional to 26,679.44, 36,822.12 and 15,507.92 is: 21,403.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.44 : 36,822.12 = 15,507.92 : x
  2. Step 2: Convert to fraction form
    26,679.44/36,822.12 = 15,507.92/x
  3. Step 3: Cross multiply
    26,679.44x = 36,822.12 × 15,507.92
  4. Step 4: Simplify right side
    26,679.44x = 571,034,491.19
  5. Step 5: Solve for x
    x = 571,034,491.19/26,679.44
  6. Step 6: Final answer
    x = 21,403.54

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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.