Home / 28,917.27-39,902.63-16,342.02

Finding the Fourth Proportional to 28,917.27, 39,902.63 and 16,342.02

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Solution

The fourth proportional to 28,917.27, 39,902.63 and 16,342.02 is: 22,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917.27 : 39,902.63 = 16,342.02 : x
  2. Step 2: Convert to fraction form
    28,917.27/39,902.63 = 16,342.02/x
  3. Step 3: Cross multiply
    28,917.27x = 39,902.63 × 16,342.02
  4. Step 4: Simplify right side
    28,917.27x = 652,089,495.80
  5. Step 5: Solve for x
    x = 652,089,495.80/28,917.27
  6. Step 6: Final answer
    x = 22,550.17

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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.