Home / 27,859.56-38,444.94-15,284.04

Finding the Fourth Proportional to 27,859.56, 38,444.94 and 15,284.04

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Solution

The fourth proportional to 27,859.56, 38,444.94 and 15,284.04 is: 21,091.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,859.56 : 38,444.94 = 15,284.04 : x
  2. Step 2: Convert to fraction form
    27,859.56/38,444.94 = 15,284.04/x
  3. Step 3: Cross multiply
    27,859.56x = 38,444.94 × 15,284.04
  4. Step 4: Simplify right side
    27,859.56x = 587,594,000.76
  5. Step 5: Solve for x
    x = 587,594,000.76/27,859.56
  6. Step 6: Final answer
    x = 21,091.29

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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.