Home / 26,682.56-36,823.35-15,353.78

Finding the Fourth Proportional to 26,682.56, 36,823.35 and 15,353.78

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Solution

The fourth proportional to 26,682.56, 36,823.35 and 15,353.78 is: 21,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,682.56 : 36,823.35 = 15,353.78 : x
  2. Step 2: Convert to fraction form
    26,682.56/36,823.35 = 15,353.78/x
  3. Step 3: Cross multiply
    26,682.56x = 36,823.35 × 15,353.78
  4. Step 4: Simplify right side
    26,682.56x = 565,377,430.65
  5. Step 5: Solve for x
    x = 565,377,430.65/26,682.56
  6. Step 6: Final answer
    x = 21,189.03

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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.