Home / 27,765.99-38,317.26-15,019.17

Finding the Fourth Proportional to 27,765.99, 38,317.26 and 15,019.17

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Solution

The fourth proportional to 27,765.99, 38,317.26 and 15,019.17 is: 20,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,765.99 : 38,317.26 = 15,019.17 : x
  2. Step 2: Convert to fraction form
    27,765.99/38,317.26 = 15,019.17/x
  3. Step 3: Cross multiply
    27,765.99x = 38,317.26 × 15,019.17
  4. Step 4: Simplify right side
    27,765.99x = 575,493,441.87
  5. Step 5: Solve for x
    x = 575,493,441.87/27,765.99
  6. Step 6: Final answer
    x = 20,726.56

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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.