Home / 29,190.80-40,277.85-16,443.02

Finding the Fourth Proportional to 29,190.80, 40,277.85 and 16,443.02

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Solution

The fourth proportional to 29,190.80, 40,277.85 and 16,443.02 is: 22,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,190.80 : 40,277.85 = 16,443.02 : x
  2. Step 2: Convert to fraction form
    29,190.80/40,277.85 = 16,443.02/x
  3. Step 3: Cross multiply
    29,190.80x = 40,277.85 × 16,443.02
  4. Step 4: Simplify right side
    29,190.80x = 662,289,493.11
  5. Step 5: Solve for x
    x = 662,289,493.11/29,190.80
  6. Step 6: Final answer
    x = 22,688.30

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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.