Home / 21,828.08-32,742.42-6,245.71

Finding the Fourth Proportional to 21,828.08, 32,742.42 and 6,245.71

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Solution

The fourth proportional to 21,828.08, 32,742.42 and 6,245.71 is: 9,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,828.08 : 32,742.42 = 6,245.71 : x
  2. Step 2: Convert to fraction form
    21,828.08/32,742.42 = 6,245.71/x
  3. Step 3: Cross multiply
    21,828.08x = 32,742.42 × 6,245.71
  4. Step 4: Simplify right side
    21,828.08x = 204,499,660.02
  5. Step 5: Solve for x
    x = 204,499,660.02/21,828.08
  6. Step 6: Final answer
    x = 9,368.65

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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.