Home / 27,773.42-38,317.77-15,828.12

Finding the Fourth Proportional to 27,773.42, 38,317.77 and 15,828.12

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Solution

The fourth proportional to 27,773.42, 38,317.77 and 15,828.12 is: 21,837.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,773.42 : 38,317.77 = 15,828.12 : x
  2. Step 2: Convert to fraction form
    27,773.42/38,317.77 = 15,828.12/x
  3. Step 3: Cross multiply
    27,773.42x = 38,317.77 × 15,828.12
  4. Step 4: Simplify right side
    27,773.42x = 606,498,261.69
  5. Step 5: Solve for x
    x = 606,498,261.69/27,773.42
  6. Step 6: Final answer
    x = 21,837.37

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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.