Home / 27,278.85-40,913.72-7,559.40

Finding the Fourth Proportional to 27,278.85, 40,913.72 and 7,559.40

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Solution

The fourth proportional to 27,278.85, 40,913.72 and 7,559.40 is: 11,337.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.85 : 40,913.72 = 7,559.40 : x
  2. Step 2: Convert to fraction form
    27,278.85/40,913.72 = 7,559.40/x
  3. Step 3: Cross multiply
    27,278.85x = 40,913.72 × 7,559.40
  4. Step 4: Simplify right side
    27,278.85x = 309,283,174.97
  5. Step 5: Solve for x
    x = 309,283,174.97/27,278.85
  6. Step 6: Final answer
    x = 11,337.84

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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.