Home / 28,910.02-43,361.52-7,848.72

Finding the Fourth Proportional to 28,910.02, 43,361.52 and 7,848.72

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Solution

The fourth proportional to 28,910.02, 43,361.52 and 7,848.72 is: 11,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.02 : 43,361.52 = 7,848.72 : x
  2. Step 2: Convert to fraction form
    28,910.02/43,361.52 = 7,848.72/x
  3. Step 3: Cross multiply
    28,910.02x = 43,361.52 × 7,848.72
  4. Step 4: Simplify right side
    28,910.02x = 340,332,429.25
  5. Step 5: Solve for x
    x = 340,332,429.25/28,910.02
  6. Step 6: Final answer
    x = 11,772.13

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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.