Home / 28,609.39-39,472.78-16,508.92

Finding the Fourth Proportional to 28,609.39, 39,472.78 and 16,508.92

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Solution

The fourth proportional to 28,609.39, 39,472.78 and 16,508.92 is: 22,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,609.39 : 39,472.78 = 16,508.92 : x
  2. Step 2: Convert to fraction form
    28,609.39/39,472.78 = 16,508.92/x
  3. Step 3: Cross multiply
    28,609.39x = 39,472.78 × 16,508.92
  4. Step 4: Simplify right side
    28,609.39x = 651,652,967.20
  5. Step 5: Solve for x
    x = 651,652,967.20/28,609.39
  6. Step 6: Final answer
    x = 22,777.59

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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.