Home / 27,731.47-38,286.39-18,050.17

Finding the Fourth Proportional to 27,731.47, 38,286.39 and 18,050.17

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Solution

The fourth proportional to 27,731.47, 38,286.39 and 18,050.17 is: 24,920.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731.47 : 38,286.39 = 18,050.17 : x
  2. Step 2: Convert to fraction form
    27,731.47/38,286.39 = 18,050.17/x
  3. Step 3: Cross multiply
    27,731.47x = 38,286.39 × 18,050.17
  4. Step 4: Simplify right side
    27,731.47x = 691,075,848.19
  5. Step 5: Solve for x
    x = 691,075,848.19/27,731.47
  6. Step 6: Final answer
    x = 24,920.27

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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.