Home / 27,759.64-38,309.22-15,184.40

Finding the Fourth Proportional to 27,759.64, 38,309.22 and 15,184.40

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Solution

The fourth proportional to 27,759.64, 38,309.22 and 15,184.40 is: 20,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759.64 : 38,309.22 = 15,184.40 : x
  2. Step 2: Convert to fraction form
    27,759.64/38,309.22 = 15,184.40/x
  3. Step 3: Cross multiply
    27,759.64x = 38,309.22 × 15,184.40
  4. Step 4: Simplify right side
    27,759.64x = 581,702,520.17
  5. Step 5: Solve for x
    x = 581,702,520.17/27,759.64
  6. Step 6: Final answer
    x = 20,954.97

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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.