Home / 28,741.84-39,663.56-16,166.72

Finding the Fourth Proportional to 28,741.84, 39,663.56 and 16,166.72

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Solution

The fourth proportional to 28,741.84, 39,663.56 and 16,166.72 is: 22,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.84 : 39,663.56 = 16,166.72 : x
  2. Step 2: Convert to fraction form
    28,741.84/39,663.56 = 16,166.72/x
  3. Step 3: Cross multiply
    28,741.84x = 39,663.56 × 16,166.72
  4. Step 4: Simplify right side
    28,741.84x = 641,229,668.72
  5. Step 5: Solve for x
    x = 641,229,668.72/28,741.84
  6. Step 6: Final answer
    x = 22,309.97

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1.5x scale

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.