Home / 21,929.94-32,899.77-10,236.78

Finding the Fourth Proportional to 21,929.94, 32,899.77 and 10,236.78

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Solution

The fourth proportional to 21,929.94, 32,899.77 and 10,236.78 is: 15,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,929.94 : 32,899.77 = 10,236.78 : x
  2. Step 2: Convert to fraction form
    21,929.94/32,899.77 = 10,236.78/x
  3. Step 3: Cross multiply
    21,929.94x = 32,899.77 × 10,236.78
  4. Step 4: Simplify right side
    21,929.94x = 336,787,707.54
  5. Step 5: Solve for x
    x = 336,787,707.54/21,929.94
  6. Step 6: Final answer
    x = 15,357.44

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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.