Home / 27,187.79-40,777.22-7,461.72

Finding the Fourth Proportional to 27,187.79, 40,777.22 and 7,461.72

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Solution

The fourth proportional to 27,187.79, 40,777.22 and 7,461.72 is: 11,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.79 : 40,777.22 = 7,461.72 : x
  2. Step 2: Convert to fraction form
    27,187.79/40,777.22 = 7,461.72/x
  3. Step 3: Cross multiply
    27,187.79x = 40,777.22 × 7,461.72
  4. Step 4: Simplify right side
    27,187.79x = 304,268,216.67
  5. Step 5: Solve for x
    x = 304,268,216.67/27,187.79
  6. Step 6: Final answer
    x = 11,191.36

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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.