Home / 19,329.93-26,729.01-15,344.15

Finding the Fourth Proportional to 19,329.93, 26,729.01 and 15,344.15

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Solution

The fourth proportional to 19,329.93, 26,729.01 and 15,344.15 is: 21,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.93 : 26,729.01 = 15,344.15 : x
  2. Step 2: Convert to fraction form
    19,329.93/26,729.01 = 15,344.15/x
  3. Step 3: Cross multiply
    19,329.93x = 26,729.01 × 15,344.15
  4. Step 4: Simplify right side
    19,329.93x = 410,133,805.15
  5. Step 5: Solve for x
    x = 410,133,805.15/19,329.93
  6. Step 6: Final answer
    x = 21,217.55

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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.