Home / 16,429.20-24,643.80-14,485.20

Finding the Fourth Proportional to 16,429.20, 24,643.80 and 14,485.20

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Solution

The fourth proportional to 16,429.20, 24,643.80 and 14,485.20 is: 21,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,429.20 : 24,643.80 = 14,485.20 : x
  2. Step 2: Convert to fraction form
    16,429.20/24,643.80 = 14,485.20/x
  3. Step 3: Cross multiply
    16,429.20x = 24,643.80 × 14,485.20
  4. Step 4: Simplify right side
    16,429.20x = 356,970,371.76
  5. Step 5: Solve for x
    x = 356,970,371.76/16,429.20
  6. Step 6: Final answer
    x = 21,727.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.