Home / 28,867.32-43,300.47-9,145.37

Finding the Fourth Proportional to 28,867.32, 43,300.47 and 9,145.37

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Solution

The fourth proportional to 28,867.32, 43,300.47 and 9,145.37 is: 13,717.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.32 : 43,300.47 = 9,145.37 : x
  2. Step 2: Convert to fraction form
    28,867.32/43,300.47 = 9,145.37/x
  3. Step 3: Cross multiply
    28,867.32x = 43,300.47 × 9,145.37
  4. Step 4: Simplify right side
    28,867.32x = 395,998,610.26
  5. Step 5: Solve for x
    x = 395,998,610.26/28,867.32
  6. Step 6: Final answer
    x = 13,717.89

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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.