Home / 27,268.83-37,652.13-21,290.01

Finding the Fourth Proportional to 27,268.83, 37,652.13 and 21,290.01

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Solution

The fourth proportional to 27,268.83, 37,652.13 and 21,290.01 is: 29,396.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,268.83 : 37,652.13 = 21,290.01 : x
  2. Step 2: Convert to fraction form
    27,268.83/37,652.13 = 21,290.01/x
  3. Step 3: Cross multiply
    27,268.83x = 37,652.13 × 21,290.01
  4. Step 4: Simplify right side
    27,268.83x = 801,614,224.22
  5. Step 5: Solve for x
    x = 801,614,224.22/27,268.83
  6. Step 6: Final answer
    x = 29,396.72

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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.