Home / 28,664.92-43,005.92-13,683.28

Finding the Fourth Proportional to 28,664.92, 43,005.92 and 13,683.28

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Solution

The fourth proportional to 28,664.92, 43,005.92 and 13,683.28 is: 20,529.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.92 : 43,005.92 = 13,683.28 : x
  2. Step 2: Convert to fraction form
    28,664.92/43,005.92 = 13,683.28/x
  3. Step 3: Cross multiply
    28,664.92x = 43,005.92 × 13,683.28
  4. Step 4: Simplify right side
    28,664.92x = 588,462,045.02
  5. Step 5: Solve for x
    x = 588,462,045.02/28,664.92
  6. Step 6: Final answer
    x = 20,529.00

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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.