Home / 27,887.09-38,473.23-15,944.02

Finding the Fourth Proportional to 27,887.09, 38,473.23 and 15,944.02

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Solution

The fourth proportional to 27,887.09, 38,473.23 and 15,944.02 is: 21,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.09 : 38,473.23 = 15,944.02 : x
  2. Step 2: Convert to fraction form
    27,887.09/38,473.23 = 15,944.02/x
  3. Step 3: Cross multiply
    27,887.09x = 38,473.23 × 15,944.02
  4. Step 4: Simplify right side
    27,887.09x = 613,417,948.58
  5. Step 5: Solve for x
    x = 613,417,948.58/27,887.09
  6. Step 6: Final answer
    x = 21,996.48

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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.