Home / 31,826.56-47,728.32-15,185.92

Finding the Fourth Proportional to 31,826.56, 47,728.32 and 15,185.92

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Solution

The fourth proportional to 31,826.56, 47,728.32 and 15,185.92 is: 22,773.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,826.56 : 47,728.32 = 15,185.92 : x
  2. Step 2: Convert to fraction form
    31,826.56/47,728.32 = 15,185.92/x
  3. Step 3: Cross multiply
    31,826.56x = 47,728.32 × 15,185.92
  4. Step 4: Simplify right side
    31,826.56x = 724,798,449.25
  5. Step 5: Solve for x
    x = 724,798,449.25/31,826.56
  6. Step 6: Final answer
    x = 22,773.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.