Home / 27,278.83-40,918.08-7,015.55

Finding the Fourth Proportional to 27,278.83, 40,918.08 and 7,015.55

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Solution

The fourth proportional to 27,278.83, 40,918.08 and 7,015.55 is: 10,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.83 : 40,918.08 = 7,015.55 : x
  2. Step 2: Convert to fraction form
    27,278.83/40,918.08 = 7,015.55/x
  3. Step 3: Cross multiply
    27,278.83x = 40,918.08 × 7,015.55
  4. Step 4: Simplify right side
    27,278.83x = 287,062,938.44
  5. Step 5: Solve for x
    x = 287,062,938.44/27,278.83
  6. Step 6: Final answer
    x = 10,523.29

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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.