Home / 28,725.32-43,087.98-13,132

Finding the Fourth Proportional to 28,725.32, 43,087.98 and 13,132

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Solution

The fourth proportional to 28,725.32, 43,087.98 and 13,132 is: 19,698

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.32 : 43,087.98 = 13,132 : x
  2. Step 2: Convert to fraction form
    28,725.32/43,087.98 = 13,132/x
  3. Step 3: Cross multiply
    28,725.32x = 43,087.98 × 13,132
  4. Step 4: Simplify right side
    28,725.32x = 565,831,353.36
  5. Step 5: Solve for x
    x = 565,831,353.36/28,725.32
  6. Step 6: Final answer
    x = 19,698

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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.