Home / 28,942.65-39,941.37-16,367.40

Finding the Fourth Proportional to 28,942.65, 39,941.37 and 16,367.40

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Solution

The fourth proportional to 28,942.65, 39,941.37 and 16,367.40 is: 22,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942.65 : 39,941.37 = 16,367.40 : x
  2. Step 2: Convert to fraction form
    28,942.65/39,941.37 = 16,367.40/x
  3. Step 3: Cross multiply
    28,942.65x = 39,941.37 × 16,367.40
  4. Step 4: Simplify right side
    28,942.65x = 653,736,379.34
  5. Step 5: Solve for x
    x = 653,736,379.34/28,942.65
  6. Step 6: Final answer
    x = 22,587.30

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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.