Home / 29,015.53-40,040.67-16,440.28

Finding the Fourth Proportional to 29,015.53, 40,040.67 and 16,440.28

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Solution

The fourth proportional to 29,015.53, 40,040.67 and 16,440.28 is: 22,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,015.53 : 40,040.67 = 16,440.28 : x
  2. Step 2: Convert to fraction form
    29,015.53/40,040.67 = 16,440.28/x
  3. Step 3: Cross multiply
    29,015.53x = 40,040.67 × 16,440.28
  4. Step 4: Simplify right side
    29,015.53x = 658,279,826.19
  5. Step 5: Solve for x
    x = 658,279,826.19/29,015.53
  6. Step 6: Final answer
    x = 22,687.15

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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.