Home / 37,773.20-52,127.88-21,008.72

Finding the Fourth Proportional to 37,773.20, 52,127.88 and 21,008.72

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Solution

The fourth proportional to 37,773.20, 52,127.88 and 21,008.72 is: 28,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,773.20 : 52,127.88 = 21,008.72 : x
  2. Step 2: Convert to fraction form
    37,773.20/52,127.88 = 21,008.72/x
  3. Step 3: Cross multiply
    37,773.20x = 52,127.88 × 21,008.72
  4. Step 4: Simplify right side
    37,773.20x = 1,095,140,035.11
  5. Step 5: Solve for x
    x = 1,095,140,035.11/37,773.20
  6. Step 6: Final answer
    x = 28,992.51

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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.