Home / 28,741.96-39,663.50-16,166.70

Finding the Fourth Proportional to 28,741.96, 39,663.50 and 16,166.70

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Solution

The fourth proportional to 28,741.96, 39,663.50 and 16,166.70 is: 22,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.96 : 39,663.50 = 16,166.70 : x
  2. Step 2: Convert to fraction form
    28,741.96/39,663.50 = 16,166.70/x
  3. Step 3: Cross multiply
    28,741.96x = 39,663.50 × 16,166.70
  4. Step 4: Simplify right side
    28,741.96x = 641,227,905.45
  5. Step 5: Solve for x
    x = 641,227,905.45/28,741.96
  6. Step 6: Final answer
    x = 22,309.82

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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.