Home / 28,558.27-39,410.41-15,983.02

Finding the Fourth Proportional to 28,558.27, 39,410.41 and 15,983.02

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Solution

The fourth proportional to 28,558.27, 39,410.41 and 15,983.02 is: 22,056.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558.27 : 39,410.41 = 15,983.02 : x
  2. Step 2: Convert to fraction form
    28,558.27/39,410.41 = 15,983.02/x
  3. Step 3: Cross multiply
    28,558.27x = 39,410.41 × 15,983.02
  4. Step 4: Simplify right side
    28,558.27x = 629,897,429.81
  5. Step 5: Solve for x
    x = 629,897,429.81/28,558.27
  6. Step 6: Final answer
    x = 22,056.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.