Home / 27,554.42-38,022.54-15,618.80

Finding the Fourth Proportional to 27,554.42, 38,022.54 and 15,618.80

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Solution

The fourth proportional to 27,554.42, 38,022.54 and 15,618.80 is: 21,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,554.42 : 38,022.54 = 15,618.80 : x
  2. Step 2: Convert to fraction form
    27,554.42/38,022.54 = 15,618.80/x
  3. Step 3: Cross multiply
    27,554.42x = 38,022.54 × 15,618.80
  4. Step 4: Simplify right side
    27,554.42x = 593,866,447.75
  5. Step 5: Solve for x
    x = 593,866,447.75/27,554.42
  6. Step 6: Final answer
    x = 21,552.49

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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.