Home / 28,330.14-42,500.07-8,610.69

Finding the Fourth Proportional to 28,330.14, 42,500.07 and 8,610.69

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Solution

The fourth proportional to 28,330.14, 42,500.07 and 8,610.69 is: 12,917.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.14 : 42,500.07 = 8,610.69 : x
  2. Step 2: Convert to fraction form
    28,330.14/42,500.07 = 8,610.69/x
  3. Step 3: Cross multiply
    28,330.14x = 42,500.07 × 8,610.69
  4. Step 4: Simplify right side
    28,330.14x = 365,954,927.75
  5. Step 5: Solve for x
    x = 365,954,927.75/28,330.14
  6. Step 6: Final answer
    x = 12,917.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.