Home / 21,452.64-32,170.86-10,355.64

Finding the Fourth Proportional to 21,452.64, 32,170.86 and 10,355.64

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Solution

The fourth proportional to 21,452.64, 32,170.86 and 10,355.64 is: 15,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452.64 : 32,170.86 = 10,355.64 : x
  2. Step 2: Convert to fraction form
    21,452.64/32,170.86 = 10,355.64/x
  3. Step 3: Cross multiply
    21,452.64x = 32,170.86 × 10,355.64
  4. Step 4: Simplify right side
    21,452.64x = 333,149,844.65
  5. Step 5: Solve for x
    x = 333,149,844.65/21,452.64
  6. Step 6: Final answer
    x = 15,529.55

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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.