Home / 27,873-38,465.19-15,297.75

Finding the Fourth Proportional to 27,873, 38,465.19 and 15,297.75

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Solution

The fourth proportional to 27,873, 38,465.19 and 15,297.75 is: 21,111.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873 : 38,465.19 = 15,297.75 : x
  2. Step 2: Convert to fraction form
    27,873/38,465.19 = 15,297.75/x
  3. Step 3: Cross multiply
    27,873x = 38,465.19 × 15,297.75
  4. Step 4: Simplify right side
    27,873x = 588,430,860.32
  5. Step 5: Solve for x
    x = 588,430,860.32/27,873
  6. Step 6: Final answer
    x = 21,111.14

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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.