Home / 27,843.57-38,425.95-15,268.32

Finding the Fourth Proportional to 27,843.57, 38,425.95 and 15,268.32

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Solution

The fourth proportional to 27,843.57, 38,425.95 and 15,268.32 is: 21,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,843.57 : 38,425.95 = 15,268.32 : x
  2. Step 2: Convert to fraction form
    27,843.57/38,425.95 = 15,268.32/x
  3. Step 3: Cross multiply
    27,843.57x = 38,425.95 × 15,268.32
  4. Step 4: Simplify right side
    27,843.57x = 586,699,700.90
  5. Step 5: Solve for x
    x = 586,699,700.90/27,843.57
  6. Step 6: Final answer
    x = 21,071.28

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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.