Home / 29,190.75-40,283.28-16,615.50

Finding the Fourth Proportional to 29,190.75, 40,283.28 and 16,615.50

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Solution

The fourth proportional to 29,190.75, 40,283.28 and 16,615.50 is: 22,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,190.75 : 40,283.28 = 16,615.50 : x
  2. Step 2: Convert to fraction form
    29,190.75/40,283.28 = 16,615.50/x
  3. Step 3: Cross multiply
    29,190.75x = 40,283.28 × 16,615.50
  4. Step 4: Simplify right side
    29,190.75x = 669,326,838.84
  5. Step 5: Solve for x
    x = 669,326,838.84/29,190.75
  6. Step 6: Final answer
    x = 22,929.42

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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.