Home / 18,028.68-27,042.98-4,881.40

Finding the Fourth Proportional to 18,028.68, 27,042.98 and 4,881.40

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Solution

The fourth proportional to 18,028.68, 27,042.98 and 4,881.40 is: 7,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.68 : 27,042.98 = 4,881.40 : x
  2. Step 2: Convert to fraction form
    18,028.68/27,042.98 = 4,881.40/x
  3. Step 3: Cross multiply
    18,028.68x = 27,042.98 × 4,881.40
  4. Step 4: Simplify right side
    18,028.68x = 132,007,602.57
  5. Step 5: Solve for x
    x = 132,007,602.57/18,028.68
  6. Step 6: Final answer
    x = 7,322.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.