Home / 27,187.89-37,519.35-15,865.17

Finding the Fourth Proportional to 27,187.89, 37,519.35 and 15,865.17

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Solution

The fourth proportional to 27,187.89, 37,519.35 and 15,865.17 is: 21,893.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.89 : 37,519.35 = 15,865.17 : x
  2. Step 2: Convert to fraction form
    27,187.89/37,519.35 = 15,865.17/x
  3. Step 3: Cross multiply
    27,187.89x = 37,519.35 × 15,865.17
  4. Step 4: Simplify right side
    27,187.89x = 595,250,866.04
  5. Step 5: Solve for x
    x = 595,250,866.04/27,187.89
  6. Step 6: Final answer
    x = 21,893.97

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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.