Home / 22,821.09-31,493.75-12,750.64

Finding the Fourth Proportional to 22,821.09, 31,493.75 and 12,750.64

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Solution

The fourth proportional to 22,821.09, 31,493.75 and 12,750.64 is: 17,596.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,821.09 : 31,493.75 = 12,750.64 : x
  2. Step 2: Convert to fraction form
    22,821.09/31,493.75 = 12,750.64/x
  3. Step 3: Cross multiply
    22,821.09x = 31,493.75 × 12,750.64
  4. Step 4: Simplify right side
    22,821.09x = 401,565,468.38
  5. Step 5: Solve for x
    x = 401,565,468.38/22,821.09
  6. Step 6: Final answer
    x = 17,596.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.