Home / 27,995.75-38,633.80-15,248.89

Finding the Fourth Proportional to 27,995.75, 38,633.80 and 15,248.89

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Solution

The fourth proportional to 27,995.75, 38,633.80 and 15,248.89 is: 21,043.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,995.75 : 38,633.80 = 15,248.89 : x
  2. Step 2: Convert to fraction form
    27,995.75/38,633.80 = 15,248.89/x
  3. Step 3: Cross multiply
    27,995.75x = 38,633.80 × 15,248.89
  4. Step 4: Simplify right side
    27,995.75x = 589,122,496.59
  5. Step 5: Solve for x
    x = 589,122,496.59/27,995.75
  6. Step 6: Final answer
    x = 21,043.29

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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.