Home / 21,768.84-32,639.76-10,067.04

Finding the Fourth Proportional to 21,768.84, 32,639.76 and 10,067.04

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Solution

The fourth proportional to 21,768.84, 32,639.76 and 10,067.04 is: 15,094.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768.84 : 32,639.76 = 10,067.04 : x
  2. Step 2: Convert to fraction form
    21,768.84/32,639.76 = 10,067.04/x
  3. Step 3: Cross multiply
    21,768.84x = 32,639.76 × 10,067.04
  4. Step 4: Simplify right side
    21,768.84x = 328,585,769.51
  5. Step 5: Solve for x
    x = 328,585,769.51/21,768.84
  6. Step 6: Final answer
    x = 15,094.32

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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.