Home / 22,011.32-30,368.04-20,334.62

Finding the Fourth Proportional to 22,011.32, 30,368.04 and 20,334.62

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Solution

The fourth proportional to 22,011.32, 30,368.04 and 20,334.62 is: 28,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.32 : 30,368.04 = 20,334.62 : x
  2. Step 2: Convert to fraction form
    22,011.32/30,368.04 = 20,334.62/x
  3. Step 3: Cross multiply
    22,011.32x = 30,368.04 × 20,334.62
  4. Step 4: Simplify right side
    22,011.32x = 617,522,553.54
  5. Step 5: Solve for x
    x = 617,522,553.54/22,011.32
  6. Step 6: Final answer
    x = 28,054.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.