Home / 21,972.05-32,936.04-10,886.79

Finding the Fourth Proportional to 21,972.05, 32,936.04 and 10,886.79

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Solution

The fourth proportional to 21,972.05, 32,936.04 and 10,886.79 is: 16,319.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,972.05 : 32,936.04 = 10,886.79 : x
  2. Step 2: Convert to fraction form
    21,972.05/32,936.04 = 10,886.79/x
  3. Step 3: Cross multiply
    21,972.05x = 32,936.04 × 10,886.79
  4. Step 4: Simplify right side
    21,972.05x = 358,567,750.91
  5. Step 5: Solve for x
    x = 358,567,750.91/21,972.05
  6. Step 6: Final answer
    x = 16,319.27

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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.