Home / 28,844.61-43,264.87-7,785.85

Finding the Fourth Proportional to 28,844.61, 43,264.87 and 7,785.85

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Solution

The fourth proportional to 28,844.61, 43,264.87 and 7,785.85 is: 11,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844.61 : 43,264.87 = 7,785.85 : x
  2. Step 2: Convert to fraction form
    28,844.61/43,264.87 = 7,785.85/x
  3. Step 3: Cross multiply
    28,844.61x = 43,264.87 × 7,785.85
  4. Step 4: Simplify right side
    28,844.61x = 336,853,660.46
  5. Step 5: Solve for x
    x = 336,853,660.46/28,844.61
  6. Step 6: Final answer
    x = 11,678.22

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Similar ratio
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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.