Home / 27,277.28-40,917.36-8,810.72

Finding the Fourth Proportional to 27,277.28, 40,917.36 and 8,810.72

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Solution

The fourth proportional to 27,277.28, 40,917.36 and 8,810.72 is: 13,216.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,277.28 : 40,917.36 = 8,810.72 : x
  2. Step 2: Convert to fraction form
    27,277.28/40,917.36 = 8,810.72/x
  3. Step 3: Cross multiply
    27,277.28x = 40,917.36 × 8,810.72
  4. Step 4: Simplify right side
    27,277.28x = 360,511,402.10
  5. Step 5: Solve for x
    x = 360,511,402.10/27,277.28
  6. Step 6: Final answer
    x = 13,216.55

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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.