Home / 21,930.24-32,906.16-10,244.28

Finding the Fourth Proportional to 21,930.24, 32,906.16 and 10,244.28

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Solution

The fourth proportional to 21,930.24, 32,906.16 and 10,244.28 is: 15,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,930.24 : 32,906.16 = 10,244.28 : x
  2. Step 2: Convert to fraction form
    21,930.24/32,906.16 = 10,244.28/x
  3. Step 3: Cross multiply
    21,930.24x = 32,906.16 × 10,244.28
  4. Step 4: Simplify right side
    21,930.24x = 337,099,916.76
  5. Step 5: Solve for x
    x = 337,099,916.76/21,930.24
  6. Step 6: Final answer
    x = 15,371.47

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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.