Home / 19,840.42-27,380.23-10,888.49

Finding the Fourth Proportional to 19,840.42, 27,380.23 and 10,888.49

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Solution

The fourth proportional to 19,840.42, 27,380.23 and 10,888.49 is: 15,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.42 : 27,380.23 = 10,888.49 : x
  2. Step 2: Convert to fraction form
    19,840.42/27,380.23 = 10,888.49/x
  3. Step 3: Cross multiply
    19,840.42x = 27,380.23 × 10,888.49
  4. Step 4: Simplify right side
    19,840.42x = 298,129,333.33
  5. Step 5: Solve for x
    x = 298,129,333.33/19,840.42
  6. Step 6: Final answer
    x = 15,026.36

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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.