Home / 27,554.20-38,022.13-15,455.16

Finding the Fourth Proportional to 27,554.20, 38,022.13 and 15,455.16

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Solution

The fourth proportional to 27,554.20, 38,022.13 and 15,455.16 is: 21,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,554.20 : 38,022.13 = 15,455.16 : x
  2. Step 2: Convert to fraction form
    27,554.20/38,022.13 = 15,455.16/x
  3. Step 3: Cross multiply
    27,554.20x = 38,022.13 × 15,455.16
  4. Step 4: Simplify right side
    27,554.20x = 587,638,102.69
  5. Step 5: Solve for x
    x = 587,638,102.69/27,554.20
  6. Step 6: Final answer
    x = 21,326.63

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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.