Home / 29,868.40-41,216.80-16,440.24

Finding the Fourth Proportional to 29,868.40, 41,216.80 and 16,440.24

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Solution

The fourth proportional to 29,868.40, 41,216.80 and 16,440.24 is: 22,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,868.40 : 41,216.80 = 16,440.24 : x
  2. Step 2: Convert to fraction form
    29,868.40/41,216.80 = 16,440.24/x
  3. Step 3: Cross multiply
    29,868.40x = 41,216.80 × 16,440.24
  4. Step 4: Simplify right side
    29,868.40x = 677,614,084.03
  5. Step 5: Solve for x
    x = 677,614,084.03/29,868.40
  6. Step 6: Final answer
    x = 22,686.65

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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.