Home / 27,278.09-40,917.63-8,557.70

Finding the Fourth Proportional to 27,278.09, 40,917.63 and 8,557.70

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Solution

The fourth proportional to 27,278.09, 40,917.63 and 8,557.70 is: 12,836.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.09 : 40,917.63 = 8,557.70 : x
  2. Step 2: Convert to fraction form
    27,278.09/40,917.63 = 8,557.70/x
  3. Step 3: Cross multiply
    27,278.09x = 40,917.63 × 8,557.70
  4. Step 4: Simplify right side
    27,278.09x = 350,160,802.25
  5. Step 5: Solve for x
    x = 350,160,802.25/27,278.09
  6. Step 6: Final answer
    x = 12,836.71

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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.