Home / 27,799.06-38,361.96-15,862.18

Finding the Fourth Proportional to 27,799.06, 38,361.96 and 15,862.18

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Solution

The fourth proportional to 27,799.06, 38,361.96 and 15,862.18 is: 21,889.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,799.06 : 38,361.96 = 15,862.18 : x
  2. Step 2: Convert to fraction form
    27,799.06/38,361.96 = 15,862.18/x
  3. Step 3: Cross multiply
    27,799.06x = 38,361.96 × 15,862.18
  4. Step 4: Simplify right side
    27,799.06x = 608,504,314.67
  5. Step 5: Solve for x
    x = 608,504,314.67/27,799.06
  6. Step 6: Final answer
    x = 21,889.38

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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.