Home / 27,178.89-40,764.87-10,527.52

Finding the Fourth Proportional to 27,178.89, 40,764.87 and 10,527.52

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Solution

The fourth proportional to 27,178.89, 40,764.87 and 10,527.52 is: 15,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.89 : 40,764.87 = 10,527.52 : x
  2. Step 2: Convert to fraction form
    27,178.89/40,764.87 = 10,527.52/x
  3. Step 3: Cross multiply
    27,178.89x = 40,764.87 × 10,527.52
  4. Step 4: Simplify right side
    27,178.89x = 429,152,958.74
  5. Step 5: Solve for x
    x = 429,152,958.74/27,178.89
  6. Step 6: Final answer
    x = 15,789.94

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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.