Home / 28,775.58-39,707.76-16,027.80

Finding the Fourth Proportional to 28,775.58, 39,707.76 and 16,027.80

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Solution

The fourth proportional to 28,775.58, 39,707.76 and 16,027.80 is: 22,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775.58 : 39,707.76 = 16,027.80 : x
  2. Step 2: Convert to fraction form
    28,775.58/39,707.76 = 16,027.80/x
  3. Step 3: Cross multiply
    28,775.58x = 39,707.76 × 16,027.80
  4. Step 4: Simplify right side
    28,775.58x = 636,428,035.73
  5. Step 5: Solve for x
    x = 636,428,035.73/28,775.58
  6. Step 6: Final answer
    x = 22,116.95

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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.