Home / 21,824.46-30,103.92-15,030.18

Finding the Fourth Proportional to 21,824.46, 30,103.92 and 15,030.18

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Solution

The fourth proportional to 21,824.46, 30,103.92 and 15,030.18 is: 20,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,824.46 : 30,103.92 = 15,030.18 : x
  2. Step 2: Convert to fraction form
    21,824.46/30,103.92 = 15,030.18/x
  3. Step 3: Cross multiply
    21,824.46x = 30,103.92 × 15,030.18
  4. Step 4: Simplify right side
    21,824.46x = 452,467,336.31
  5. Step 5: Solve for x
    x = 452,467,336.31/21,824.46
  6. Step 6: Final answer
    x = 20,732.12

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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.