Home / 22,005.10-33,007.65-16,821.10

Finding the Fourth Proportional to 22,005.10, 33,007.65 and 16,821.10

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Solution

The fourth proportional to 22,005.10, 33,007.65 and 16,821.10 is: 25,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.10 : 33,007.65 = 16,821.10 : x
  2. Step 2: Convert to fraction form
    22,005.10/33,007.65 = 16,821.10/x
  3. Step 3: Cross multiply
    22,005.10x = 33,007.65 × 16,821.10
  4. Step 4: Simplify right side
    22,005.10x = 555,224,981.42
  5. Step 5: Solve for x
    x = 555,224,981.42/22,005.10
  6. Step 6: Final answer
    x = 25,231.65

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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.