Home / 27,484.80-37,928.33-15,385.43

Finding the Fourth Proportional to 27,484.80, 37,928.33 and 15,385.43

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Solution

The fourth proportional to 27,484.80, 37,928.33 and 15,385.43 is: 21,231.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,484.80 : 37,928.33 = 15,385.43 : x
  2. Step 2: Convert to fraction form
    27,484.80/37,928.33 = 15,385.43/x
  3. Step 3: Cross multiply
    27,484.80x = 37,928.33 × 15,385.43
  4. Step 4: Simplify right side
    27,484.80x = 583,543,399.66
  5. Step 5: Solve for x
    x = 583,543,399.66/27,484.80
  6. Step 6: Final answer
    x = 21,231.50

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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.