Home / 27,760.70-38,308.98-15,184.64

Finding the Fourth Proportional to 27,760.70, 38,308.98 and 15,184.64

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Solution

The fourth proportional to 27,760.70, 38,308.98 and 15,184.64 is: 20,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,760.70 : 38,308.98 = 15,184.64 : x
  2. Step 2: Convert to fraction form
    27,760.70/38,308.98 = 15,184.64/x
  3. Step 3: Cross multiply
    27,760.70x = 38,308.98 × 15,184.64
  4. Step 4: Simplify right side
    27,760.70x = 581,708,070.07
  5. Step 5: Solve for x
    x = 581,708,070.07/27,760.70
  6. Step 6: Final answer
    x = 20,954.37

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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.