Home / 27,918.06-41,877.40-7,141.56

Finding the Fourth Proportional to 27,918.06, 41,877.40 and 7,141.56

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Solution

The fourth proportional to 27,918.06, 41,877.40 and 7,141.56 is: 10,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918.06 : 41,877.40 = 7,141.56 : x
  2. Step 2: Convert to fraction form
    27,918.06/41,877.40 = 7,141.56/x
  3. Step 3: Cross multiply
    27,918.06x = 41,877.40 × 7,141.56
  4. Step 4: Simplify right side
    27,918.06x = 299,069,964.74
  5. Step 5: Solve for x
    x = 299,069,964.74/27,918.06
  6. Step 6: Final answer
    x = 10,712.42

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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.