Home / 31,727.60-47,557.91-10,647.66

Finding the Fourth Proportional to 31,727.60, 47,557.91 and 10,647.66

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Solution

The fourth proportional to 31,727.60, 47,557.91 and 10,647.66 is: 15,960.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.60 : 47,557.91 = 10,647.66 : x
  2. Step 2: Convert to fraction form
    31,727.60/47,557.91 = 10,647.66/x
  3. Step 3: Cross multiply
    31,727.60x = 47,557.91 × 10,647.66
  4. Step 4: Simplify right side
    31,727.60x = 506,380,164.96
  5. Step 5: Solve for x
    x = 506,380,164.96/31,727.60
  6. Step 6: Final answer
    x = 15,960.24

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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.