Home / 28,561.83-42,844.56-8,838.73

Finding the Fourth Proportional to 28,561.83, 42,844.56 and 8,838.73

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Solution

The fourth proportional to 28,561.83, 42,844.56 and 8,838.73 is: 13,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,561.83 : 42,844.56 = 8,838.73 : x
  2. Step 2: Convert to fraction form
    28,561.83/42,844.56 = 8,838.73/x
  3. Step 3: Cross multiply
    28,561.83x = 42,844.56 × 8,838.73
  4. Step 4: Simplify right side
    28,561.83x = 378,691,497.81
  5. Step 5: Solve for x
    x = 378,691,497.81/28,561.83
  6. Step 6: Final answer
    x = 13,258.66

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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.