Home / 28,991.00-39,707.81-27,288.78

Finding the Fourth Proportional to 28,991.00, 39,707.81 and 27,288.78

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Solution

The fourth proportional to 28,991.00, 39,707.81 and 27,288.78 is: 37,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,991.00 : 39,707.81 = 27,288.78 : x
  2. Step 2: Convert to fraction form
    28,991.00/39,707.81 = 27,288.78/x
  3. Step 3: Cross multiply
    28,991.00x = 39,707.81 × 27,288.78
  4. Step 4: Simplify right side
    28,991.00x = 1,083,577,554.93
  5. Step 5: Solve for x
    x = 1,083,577,554.93/28,991.00
  6. Step 6: Final answer
    x = 37,376.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.