Home / 27,278.60-40,913.35-7,559.15

Finding the Fourth Proportional to 27,278.60, 40,913.35 and 7,559.15

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Solution

The fourth proportional to 27,278.60, 40,913.35 and 7,559.15 is: 11,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.60 : 40,913.35 = 7,559.15 : x
  2. Step 2: Convert to fraction form
    27,278.60/40,913.35 = 7,559.15/x
  3. Step 3: Cross multiply
    27,278.60x = 40,913.35 × 7,559.15
  4. Step 4: Simplify right side
    27,278.60x = 309,270,233.04
  5. Step 5: Solve for x
    x = 309,270,233.04/27,278.60
  6. Step 6: Final answer
    x = 11,337.47

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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.