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Finding the Fourth Proportional to 35,384.44, 52,981.98 and 18,709.96

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Solution

The fourth proportional to 35,384.44, 52,981.98 and 18,709.96 is: 28,014.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,384.44 : 52,981.98 = 18,709.96 : x
  2. Step 2: Convert to fraction form
    35,384.44/52,981.98 = 18,709.96/x
  3. Step 3: Cross multiply
    35,384.44x = 52,981.98 × 18,709.96
  4. Step 4: Simplify right side
    35,384.44x = 991,290,726.52
  5. Step 5: Solve for x
    x = 991,290,726.52/35,384.44
  6. Step 6: Final answer
    x = 28,014.88

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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.