Home / 21,296.18-31,919.58-10,058.60

Finding the Fourth Proportional to 21,296.18, 31,919.58 and 10,058.60

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Solution

The fourth proportional to 21,296.18, 31,919.58 and 10,058.60 is: 15,076.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296.18 : 31,919.58 = 10,058.60 : x
  2. Step 2: Convert to fraction form
    21,296.18/31,919.58 = 10,058.60/x
  3. Step 3: Cross multiply
    21,296.18x = 31,919.58 × 10,058.60
  4. Step 4: Simplify right side
    21,296.18x = 321,066,287.39
  5. Step 5: Solve for x
    x = 321,066,287.39/21,296.18
  6. Step 6: Final answer
    x = 15,076.24

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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.