Home / 15,344.96-21,256.24-15,033.92

Finding the Fourth Proportional to 15,344.96, 21,256.24 and 15,033.92

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Solution

The fourth proportional to 15,344.96, 21,256.24 and 15,033.92 is: 20,825.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344.96 : 21,256.24 = 15,033.92 : x
  2. Step 2: Convert to fraction form
    15,344.96/21,256.24 = 15,033.92/x
  3. Step 3: Cross multiply
    15,344.96x = 21,256.24 × 15,033.92
  4. Step 4: Simplify right side
    15,344.96x = 319,564,611.66
  5. Step 5: Solve for x
    x = 319,564,611.66/15,344.96
  6. Step 6: Final answer
    x = 20,825.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.