Home / 28,110.63-38,788.92-18,052.70

Finding the Fourth Proportional to 28,110.63, 38,788.92 and 18,052.70

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Solution

The fourth proportional to 28,110.63, 38,788.92 and 18,052.70 is: 24,910.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.63 : 38,788.92 = 18,052.70 : x
  2. Step 2: Convert to fraction form
    28,110.63/38,788.92 = 18,052.70/x
  3. Step 3: Cross multiply
    28,110.63x = 38,788.92 × 18,052.70
  4. Step 4: Simplify right side
    28,110.63x = 700,244,451.88
  5. Step 5: Solve for x
    x = 700,244,451.88/28,110.63
  6. Step 6: Final answer
    x = 24,910.31

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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.