Home / 21,581.64-32,325.45-10,464.78

Finding the Fourth Proportional to 21,581.64, 32,325.45 and 10,464.78

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Solution

The fourth proportional to 21,581.64, 32,325.45 and 10,464.78 is: 15,674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.64 : 32,325.45 = 10,464.78 : x
  2. Step 2: Convert to fraction form
    21,581.64/32,325.45 = 10,464.78/x
  3. Step 3: Cross multiply
    21,581.64x = 32,325.45 × 10,464.78
  4. Step 4: Simplify right side
    21,581.64x = 338,278,722.65
  5. Step 5: Solve for x
    x = 338,278,722.65/21,581.64
  6. Step 6: Final answer
    x = 15,674.38

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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.