Home / 28,844.36-43,264.49-7,785.60

Finding the Fourth Proportional to 28,844.36, 43,264.49 and 7,785.60

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Solution

The fourth proportional to 28,844.36, 43,264.49 and 7,785.60 is: 11,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844.36 : 43,264.49 = 7,785.60 : x
  2. Step 2: Convert to fraction form
    28,844.36/43,264.49 = 7,785.60/x
  3. Step 3: Cross multiply
    28,844.36x = 43,264.49 × 7,785.60
  4. Step 4: Simplify right side
    28,844.36x = 336,840,013.34
  5. Step 5: Solve for x
    x = 336,840,013.34/28,844.36
  6. Step 6: Final answer
    x = 11,677.85

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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.