Home / 27,277.81-40,911.94-7,287.72

Finding the Fourth Proportional to 27,277.81, 40,911.94 and 7,287.72

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Solution

The fourth proportional to 27,277.81, 40,911.94 and 7,287.72 is: 10,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,277.81 : 40,911.94 = 7,287.72 : x
  2. Step 2: Convert to fraction form
    27,277.81/40,911.94 = 7,287.72/x
  3. Step 3: Cross multiply
    27,277.81x = 40,911.94 × 7,287.72
  4. Step 4: Simplify right side
    27,277.81x = 298,154,808.20
  5. Step 5: Solve for x
    x = 298,154,808.20/27,277.81
  6. Step 6: Final answer
    x = 10,930.30

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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.