Home / 28,591.06-39,455.67-16,015.81

Finding the Fourth Proportional to 28,591.06, 39,455.67 and 16,015.81

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Solution

The fourth proportional to 28,591.06, 39,455.67 and 16,015.81 is: 22,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,591.06 : 39,455.67 = 16,015.81 : x
  2. Step 2: Convert to fraction form
    28,591.06/39,455.67 = 16,015.81/x
  3. Step 3: Cross multiply
    28,591.06x = 39,455.67 × 16,015.81
  4. Step 4: Simplify right side
    28,591.06x = 631,914,514.14
  5. Step 5: Solve for x
    x = 631,914,514.14/28,591.06
  6. Step 6: Final answer
    x = 22,101.82

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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.