Home / 27,763.69-38,315.01-15,188.44

Finding the Fourth Proportional to 27,763.69, 38,315.01 and 15,188.44

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Solution

The fourth proportional to 27,763.69, 38,315.01 and 15,188.44 is: 20,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.69 : 38,315.01 = 15,188.44 : x
  2. Step 2: Convert to fraction form
    27,763.69/38,315.01 = 15,188.44/x
  3. Step 3: Cross multiply
    27,763.69x = 38,315.01 × 15,188.44
  4. Step 4: Simplify right side
    27,763.69x = 581,945,230.48
  5. Step 5: Solve for x
    x = 581,945,230.48/27,763.69
  6. Step 6: Final answer
    x = 20,960.66

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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.