Home / 29,272.86-40,401.27-21,769.02

Finding the Fourth Proportional to 29,272.86, 40,401.27 and 21,769.02

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Solution

The fourth proportional to 29,272.86, 40,401.27 and 21,769.02 is: 30,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,272.86 : 40,401.27 = 21,769.02 : x
  2. Step 2: Convert to fraction form
    29,272.86/40,401.27 = 21,769.02/x
  3. Step 3: Cross multiply
    29,272.86x = 40,401.27 × 21,769.02
  4. Step 4: Simplify right side
    29,272.86x = 879,496,054.66
  5. Step 5: Solve for x
    x = 879,496,054.66/29,272.86
  6. Step 6: Final answer
    x = 30,044.76

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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.