Home / 21,356.19-32,028.81-14,691.31

Finding the Fourth Proportional to 21,356.19, 32,028.81 and 14,691.31

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Solution

The fourth proportional to 21,356.19, 32,028.81 and 14,691.31 is: 22,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,356.19 : 32,028.81 = 14,691.31 : x
  2. Step 2: Convert to fraction form
    21,356.19/32,028.81 = 14,691.31/x
  3. Step 3: Cross multiply
    21,356.19x = 32,028.81 × 14,691.31
  4. Step 4: Simplify right side
    21,356.19x = 470,545,176.64
  5. Step 5: Solve for x
    x = 470,545,176.64/21,356.19
  6. Step 6: Final answer
    x = 22,033.20

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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.