Home / 27,759.69-38,309.49-15,184.44

Finding the Fourth Proportional to 27,759.69, 38,309.49 and 15,184.44

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Solution

The fourth proportional to 27,759.69, 38,309.49 and 15,184.44 is: 20,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759.69 : 38,309.49 = 15,184.44 : x
  2. Step 2: Convert to fraction form
    27,759.69/38,309.49 = 15,184.44/x
  3. Step 3: Cross multiply
    27,759.69x = 38,309.49 × 15,184.44
  4. Step 4: Simplify right side
    27,759.69x = 581,708,152.34
  5. Step 5: Solve for x
    x = 581,708,152.34/27,759.69
  6. Step 6: Final answer
    x = 20,955.14

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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.