Home / 31,728.23-47,558.85-10,648.28

Finding the Fourth Proportional to 31,728.23, 47,558.85 and 10,648.28

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Solution

The fourth proportional to 31,728.23, 47,558.85 and 10,648.28 is: 15,961.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,728.23 : 47,558.85 = 10,648.28 : x
  2. Step 2: Convert to fraction form
    31,728.23/47,558.85 = 10,648.28/x
  3. Step 3: Cross multiply
    31,728.23x = 47,558.85 × 10,648.28
  4. Step 4: Simplify right side
    31,728.23x = 506,419,660.24
  5. Step 5: Solve for x
    x = 506,419,660.24/31,728.23
  6. Step 6: Final answer
    x = 15,961.17

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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.