Home / 28,835.28-43,203.71-15,664.07

Finding the Fourth Proportional to 28,835.28, 43,203.71 and 15,664.07

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Solution

The fourth proportional to 28,835.28, 43,203.71 and 15,664.07 is: 23,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.28 : 43,203.71 = 15,664.07 : x
  2. Step 2: Convert to fraction form
    28,835.28/43,203.71 = 15,664.07/x
  3. Step 3: Cross multiply
    28,835.28x = 43,203.71 × 15,664.07
  4. Step 4: Simplify right side
    28,835.28x = 676,745,643.36
  5. Step 5: Solve for x
    x = 676,745,643.36/28,835.28
  6. Step 6: Final answer
    x = 23,469.36

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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.