Home / 28,942.74-39,941.70-16,195.50

Finding the Fourth Proportional to 28,942.74, 39,941.70 and 16,195.50

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Solution

The fourth proportional to 28,942.74, 39,941.70 and 16,195.50 is: 22,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942.74 : 39,941.70 = 16,195.50 : x
  2. Step 2: Convert to fraction form
    28,942.74/39,941.70 = 16,195.50/x
  3. Step 3: Cross multiply
    28,942.74x = 39,941.70 × 16,195.50
  4. Step 4: Simplify right side
    28,942.74x = 646,875,802.35
  5. Step 5: Solve for x
    x = 646,875,802.35/28,942.74
  6. Step 6: Final answer
    x = 22,350.19

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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.