Home / 21,166.82-31,726.08-10,057.77

Finding the Fourth Proportional to 21,166.82, 31,726.08 and 10,057.77

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Solution

The fourth proportional to 21,166.82, 31,726.08 and 10,057.77 is: 15,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,166.82 : 31,726.08 = 10,057.77 : x
  2. Step 2: Convert to fraction form
    21,166.82/31,726.08 = 10,057.77/x
  3. Step 3: Cross multiply
    21,166.82x = 31,726.08 × 10,057.77
  4. Step 4: Simplify right side
    21,166.82x = 319,093,615.64
  5. Step 5: Solve for x
    x = 319,093,615.64/21,166.82
  6. Step 6: Final answer
    x = 15,075.18

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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.