Home / 26,353.80-36,378.18-15,739.56

Finding the Fourth Proportional to 26,353.80, 36,378.18 and 15,739.56

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Solution

The fourth proportional to 26,353.80, 36,378.18 and 15,739.56 is: 21,726.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,353.80 : 36,378.18 = 15,739.56 : x
  2. Step 2: Convert to fraction form
    26,353.80/36,378.18 = 15,739.56/x
  3. Step 3: Cross multiply
    26,353.80x = 36,378.18 × 15,739.56
  4. Step 4: Simplify right side
    26,353.80x = 572,576,546.80
  5. Step 5: Solve for x
    x = 572,576,546.80/26,353.80
  6. Step 6: Final answer
    x = 21,726.53

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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.