Home / 22,182.65-30,441.68-20,930.59

Finding the Fourth Proportional to 22,182.65, 30,441.68 and 20,930.59

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Solution

The fourth proportional to 22,182.65, 30,441.68 and 20,930.59 is: 28,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.65 : 30,441.68 = 20,930.59 : x
  2. Step 2: Convert to fraction form
    22,182.65/30,441.68 = 20,930.59/x
  3. Step 3: Cross multiply
    22,182.65x = 30,441.68 × 20,930.59
  4. Step 4: Simplify right side
    22,182.65x = 637,162,322.99
  5. Step 5: Solve for x
    x = 637,162,322.99/22,182.65
  6. Step 6: Final answer
    x = 28,723.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.