Home / 27,477.77-41,219.42-7,756.52

Finding the Fourth Proportional to 27,477.77, 41,219.42 and 7,756.52

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Solution

The fourth proportional to 27,477.77, 41,219.42 and 7,756.52 is: 11,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,477.77 : 41,219.42 = 7,756.52 : x
  2. Step 2: Convert to fraction form
    27,477.77/41,219.42 = 7,756.52/x
  3. Step 3: Cross multiply
    27,477.77x = 41,219.42 × 7,756.52
  4. Step 4: Simplify right side
    27,477.77x = 319,719,010.74
  5. Step 5: Solve for x
    x = 319,719,010.74/27,477.77
  6. Step 6: Final answer
    x = 11,635.55

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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.