Home / 28,868.64-39,866.24-27,296.12

Finding the Fourth Proportional to 28,868.64, 39,866.24 and 27,296.12

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Solution

The fourth proportional to 28,868.64, 39,866.24 and 27,296.12 is: 37,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.64 : 39,866.24 = 27,296.12 : x
  2. Step 2: Convert to fraction form
    28,868.64/39,866.24 = 27,296.12/x
  3. Step 3: Cross multiply
    28,868.64x = 39,866.24 × 27,296.12
  4. Step 4: Simplify right side
    28,868.64x = 1,088,193,670.99
  5. Step 5: Solve for x
    x = 1,088,193,670.99/28,868.64
  6. Step 6: Final answer
    x = 37,694.66

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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.