Home / 27,276.30-37,643.13-20,550.06

Finding the Fourth Proportional to 27,276.30, 37,643.13 and 20,550.06

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Solution

The fourth proportional to 27,276.30, 37,643.13 and 20,550.06 is: 28,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.30 : 37,643.13 = 20,550.06 : x
  2. Step 2: Convert to fraction form
    27,276.30/37,643.13 = 20,550.06/x
  3. Step 3: Cross multiply
    27,276.30x = 37,643.13 × 20,550.06
  4. Step 4: Simplify right side
    27,276.30x = 773,568,580.09
  5. Step 5: Solve for x
    x = 773,568,580.09/27,276.30
  6. Step 6: Final answer
    x = 28,360.47

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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.