Home / 21,035.27-29,027.70-12,076.47

Finding the Fourth Proportional to 21,035.27, 29,027.70 and 12,076.47

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Solution

The fourth proportional to 21,035.27, 29,027.70 and 12,076.47 is: 16,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.27 : 29,027.70 = 12,076.47 : x
  2. Step 2: Convert to fraction form
    21,035.27/29,027.70 = 12,076.47/x
  3. Step 3: Cross multiply
    21,035.27x = 29,027.70 × 12,076.47
  4. Step 4: Simplify right side
    21,035.27x = 350,552,148.22
  5. Step 5: Solve for x
    x = 350,552,148.22/21,035.27
  6. Step 6: Final answer
    x = 16,664.97

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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.