Home / 21,930.88-32,880.96-10,237.12

Finding the Fourth Proportional to 21,930.88, 32,880.96 and 10,237.12

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Solution

The fourth proportional to 21,930.88, 32,880.96 and 10,237.12 is: 15,348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,930.88 : 32,880.96 = 10,237.12 : x
  2. Step 2: Convert to fraction form
    21,930.88/32,880.96 = 10,237.12/x
  3. Step 3: Cross multiply
    21,930.88x = 32,880.96 × 10,237.12
  4. Step 4: Simplify right side
    21,930.88x = 336,606,333.24
  5. Step 5: Solve for x
    x = 336,606,333.24/21,930.88
  6. Step 6: Final answer
    x = 15,348.51

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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.