Home / 21,937.05-32,864.13-10,830.78

Finding the Fourth Proportional to 21,937.05, 32,864.13 and 10,830.78

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Solution

The fourth proportional to 21,937.05, 32,864.13 and 10,830.78 is: 16,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937.05 : 32,864.13 = 10,830.78 : x
  2. Step 2: Convert to fraction form
    21,937.05/32,864.13 = 10,830.78/x
  3. Step 3: Cross multiply
    21,937.05x = 32,864.13 × 10,830.78
  4. Step 4: Simplify right side
    21,937.05x = 355,944,161.92
  5. Step 5: Solve for x
    x = 355,944,161.92/21,937.05
  6. Step 6: Final answer
    x = 16,225.71

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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.