Home / 21,441.98-29,575.16-15,082.06

Finding the Fourth Proportional to 21,441.98, 29,575.16 and 15,082.06

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Solution

The fourth proportional to 21,441.98, 29,575.16 and 15,082.06 is: 20,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,441.98 : 29,575.16 = 15,082.06 : x
  2. Step 2: Convert to fraction form
    21,441.98/29,575.16 = 15,082.06/x
  3. Step 3: Cross multiply
    21,441.98x = 29,575.16 × 15,082.06
  4. Step 4: Simplify right side
    21,441.98x = 446,054,337.63
  5. Step 5: Solve for x
    x = 446,054,337.63/21,441.98
  6. Step 6: Final answer
    x = 20,802.85

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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.