Home / 21,034.98-29,028.82-11,475.03

Finding the Fourth Proportional to 21,034.98, 29,028.82 and 11,475.03

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Solution

The fourth proportional to 21,034.98, 29,028.82 and 11,475.03 is: 15,835.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034.98 : 29,028.82 = 11,475.03 : x
  2. Step 2: Convert to fraction form
    21,034.98/29,028.82 = 11,475.03/x
  3. Step 3: Cross multiply
    21,034.98x = 29,028.82 × 11,475.03
  4. Step 4: Simplify right side
    21,034.98x = 333,106,580.36
  5. Step 5: Solve for x
    x = 333,106,580.36/21,034.98
  6. Step 6: Final answer
    x = 15,835.84

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1.5x scale

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.