Home / 27,554.46-38,022.72-15,290.18

Finding the Fourth Proportional to 27,554.46, 38,022.72 and 15,290.18

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Solution

The fourth proportional to 27,554.46, 38,022.72 and 15,290.18 is: 21,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,554.46 : 38,022.72 = 15,290.18 : x
  2. Step 2: Convert to fraction form
    27,554.46/38,022.72 = 15,290.18/x
  3. Step 3: Cross multiply
    27,554.46x = 38,022.72 × 15,290.18
  4. Step 4: Simplify right side
    27,554.46x = 581,374,100.11
  5. Step 5: Solve for x
    x = 581,374,100.11/27,554.46
  6. Step 6: Final answer
    x = 21,099.09

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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.