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Finding the Fourth Proportional to 29,407.95, 40,582.50 and 15,979.44

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Solution

The fourth proportional to 29,407.95, 40,582.50 and 15,979.44 is: 22,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,407.95 : 40,582.50 = 15,979.44 : x
  2. Step 2: Convert to fraction form
    29,407.95/40,582.50 = 15,979.44/x
  3. Step 3: Cross multiply
    29,407.95x = 40,582.50 × 15,979.44
  4. Step 4: Simplify right side
    29,407.95x = 648,485,623.80
  5. Step 5: Solve for x
    x = 648,485,623.80/29,407.95
  6. Step 6: Final answer
    x = 22,051.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.