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Finding the Fourth Proportional to 40,652.08, 60,978.12 and 26,797.84

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Solution

The fourth proportional to 40,652.08, 60,978.12 and 26,797.84 is: 40,196.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,652.08 : 60,978.12 = 26,797.84 : x
  2. Step 2: Convert to fraction form
    40,652.08/60,978.12 = 26,797.84/x
  3. Step 3: Cross multiply
    40,652.08x = 60,978.12 × 26,797.84
  4. Step 4: Simplify right side
    40,652.08x = 1,634,081,848.40
  5. Step 5: Solve for x
    x = 1,634,081,848.40/40,652.08
  6. Step 6: Final answer
    x = 40,196.76

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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.