Home / 28,741.50-39,663.28-16,166.52

Finding the Fourth Proportional to 28,741.50, 39,663.28 and 16,166.52

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Solution

The fourth proportional to 28,741.50, 39,663.28 and 16,166.52 is: 22,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.50 : 39,663.28 = 16,166.52 : x
  2. Step 2: Convert to fraction form
    28,741.50/39,663.28 = 16,166.52/x
  3. Step 3: Cross multiply
    28,741.50x = 39,663.28 × 16,166.52
  4. Step 4: Simplify right side
    28,741.50x = 641,217,209.39
  5. Step 5: Solve for x
    x = 641,217,209.39/28,741.50
  6. Step 6: Final answer
    x = 22,309.80

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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.