Home / 21,175.16-31,767.98-14,947.37

Finding the Fourth Proportional to 21,175.16, 31,767.98 and 14,947.37

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Solution

The fourth proportional to 21,175.16, 31,767.98 and 14,947.37 is: 22,424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,175.16 : 31,767.98 = 14,947.37 : x
  2. Step 2: Convert to fraction form
    21,175.16/31,767.98 = 14,947.37/x
  3. Step 3: Cross multiply
    21,175.16x = 31,767.98 × 14,947.37
  4. Step 4: Simplify right side
    21,175.16x = 474,847,517.64
  5. Step 5: Solve for x
    x = 474,847,517.64/21,175.16
  6. Step 6: Final answer
    x = 22,424.75

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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.