Home / 19,330.56-26,729.85-15,344.75

Finding the Fourth Proportional to 19,330.56, 26,729.85 and 15,344.75

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Solution

The fourth proportional to 19,330.56, 26,729.85 and 15,344.75 is: 21,218.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.56 : 26,729.85 = 15,344.75 : x
  2. Step 2: Convert to fraction form
    19,330.56/26,729.85 = 15,344.75/x
  3. Step 3: Cross multiply
    19,330.56x = 26,729.85 × 15,344.75
  4. Step 4: Simplify right side
    19,330.56x = 410,162,865.79
  5. Step 5: Solve for x
    x = 410,162,865.79/19,330.56
  6. Step 6: Final answer
    x = 21,218.36

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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.