Home / 27,995.98-38,633.86-15,249.31

Finding the Fourth Proportional to 27,995.98, 38,633.86 and 15,249.31

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Solution

The fourth proportional to 27,995.98, 38,633.86 and 15,249.31 is: 21,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,995.98 : 38,633.86 = 15,249.31 : x
  2. Step 2: Convert to fraction form
    27,995.98/38,633.86 = 15,249.31/x
  3. Step 3: Cross multiply
    27,995.98x = 38,633.86 × 15,249.31
  4. Step 4: Simplify right side
    27,995.98x = 589,139,707.64
  5. Step 5: Solve for x
    x = 589,139,707.64/27,995.98
  6. Step 6: Final answer
    x = 21,043.73

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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.