Home / 28,977.12-40,006.08-27,190.08

Finding the Fourth Proportional to 28,977.12, 40,006.08 and 27,190.08

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Solution

The fourth proportional to 28,977.12, 40,006.08 and 27,190.08 is: 37,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.12 : 40,006.08 = 27,190.08 : x
  2. Step 2: Convert to fraction form
    28,977.12/40,006.08 = 27,190.08/x
  3. Step 3: Cross multiply
    28,977.12x = 40,006.08 × 27,190.08
  4. Step 4: Simplify right side
    28,977.12x = 1,087,768,515.69
  5. Step 5: Solve for x
    x = 1,087,768,515.69/28,977.12
  6. Step 6: Final answer
    x = 37,538.88

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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.