Home / 20,888.39-31,334.42-5,895.64

Finding the Fourth Proportional to 20,888.39, 31,334.42 and 5,895.64

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Solution

The fourth proportional to 20,888.39, 31,334.42 and 5,895.64 is: 8,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,888.39 : 31,334.42 = 5,895.64 : x
  2. Step 2: Convert to fraction form
    20,888.39/31,334.42 = 5,895.64/x
  3. Step 3: Cross multiply
    20,888.39x = 31,334.42 × 5,895.64
  4. Step 4: Simplify right side
    20,888.39x = 184,736,396.33
  5. Step 5: Solve for x
    x = 184,736,396.33/20,888.39
  6. Step 6: Final answer
    x = 8,843.98

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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.