Home / 29,418.84-40,597.60-15,989.78

Finding the Fourth Proportional to 29,418.84, 40,597.60 and 15,989.78

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Solution

The fourth proportional to 29,418.84, 40,597.60 and 15,989.78 is: 22,065.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,418.84 : 40,597.60 = 15,989.78 : x
  2. Step 2: Convert to fraction form
    29,418.84/40,597.60 = 15,989.78/x
  3. Step 3: Cross multiply
    29,418.84x = 40,597.60 × 15,989.78
  4. Step 4: Simplify right side
    29,418.84x = 649,146,692.53
  5. Step 5: Solve for x
    x = 649,146,692.53/29,418.84
  6. Step 6: Final answer
    x = 22,065.68

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1.5x scale

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.