Home / 28,714.95-39,626.76-16,775.76

Finding the Fourth Proportional to 28,714.95, 39,626.76 and 16,775.76

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Solution

The fourth proportional to 28,714.95, 39,626.76 and 16,775.76 is: 23,150.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.95 : 39,626.76 = 16,775.76 : x
  2. Step 2: Convert to fraction form
    28,714.95/39,626.76 = 16,775.76/x
  3. Step 3: Cross multiply
    28,714.95x = 39,626.76 × 16,775.76
  4. Step 4: Simplify right side
    28,714.95x = 664,769,015.34
  5. Step 5: Solve for x
    x = 664,769,015.34/28,714.95
  6. Step 6: Final answer
    x = 23,150.62

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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.