Home / 21,359.26-32,020.65-15,099.58

Finding the Fourth Proportional to 21,359.26, 32,020.65 and 15,099.58

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Solution

The fourth proportional to 21,359.26, 32,020.65 and 15,099.58 is: 22,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359.26 : 32,020.65 = 15,099.58 : x
  2. Step 2: Convert to fraction form
    21,359.26/32,020.65 = 15,099.58/x
  3. Step 3: Cross multiply
    21,359.26x = 32,020.65 × 15,099.58
  4. Step 4: Simplify right side
    21,359.26x = 483,498,286.28
  5. Step 5: Solve for x
    x = 483,498,286.28/21,359.26
  6. Step 6: Final answer
    x = 22,636.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.