Home / 28,722.24-43,039.35-19,327.50

Finding the Fourth Proportional to 28,722.24, 43,039.35 and 19,327.50

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Solution

The fourth proportional to 28,722.24, 43,039.35 and 19,327.50 is: 28,961.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.24 : 43,039.35 = 19,327.50 : x
  2. Step 2: Convert to fraction form
    28,722.24/43,039.35 = 19,327.50/x
  3. Step 3: Cross multiply
    28,722.24x = 43,039.35 × 19,327.50
  4. Step 4: Simplify right side
    28,722.24x = 831,843,037.13
  5. Step 5: Solve for x
    x = 831,843,037.13/28,722.24
  6. Step 6: Final answer
    x = 28,961.64

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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.