Home / 27,886.82-38,474.36-15,941.70

Finding the Fourth Proportional to 27,886.82, 38,474.36 and 15,941.70

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Solution

The fourth proportional to 27,886.82, 38,474.36 and 15,941.70 is: 21,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886.82 : 38,474.36 = 15,941.70 : x
  2. Step 2: Convert to fraction form
    27,886.82/38,474.36 = 15,941.70/x
  3. Step 3: Cross multiply
    27,886.82x = 38,474.36 × 15,941.70
  4. Step 4: Simplify right side
    27,886.82x = 613,346,704.81
  5. Step 5: Solve for x
    x = 613,346,704.81/27,886.82
  6. Step 6: Final answer
    x = 21,994.14

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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.