Home / 21,375.42-32,066.16-6,585.54

Finding the Fourth Proportional to 21,375.42, 32,066.16 and 6,585.54

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Solution

The fourth proportional to 21,375.42, 32,066.16 and 6,585.54 is: 9,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375.42 : 32,066.16 = 6,585.54 : x
  2. Step 2: Convert to fraction form
    21,375.42/32,066.16 = 6,585.54/x
  3. Step 3: Cross multiply
    21,375.42x = 32,066.16 × 6,585.54
  4. Step 4: Simplify right side
    21,375.42x = 211,172,979.33
  5. Step 5: Solve for x
    x = 211,172,979.33/21,375.42
  6. Step 6: Final answer
    x = 9,879.24

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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.