Home / 19,485.30-29,253.10-16,729.68

Finding the Fourth Proportional to 19,485.30, 29,253.10 and 16,729.68

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Solution

The fourth proportional to 19,485.30, 29,253.10 and 16,729.68 is: 25,116.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.30 : 29,253.10 = 16,729.68 : x
  2. Step 2: Convert to fraction form
    19,485.30/29,253.10 = 16,729.68/x
  3. Step 3: Cross multiply
    19,485.30x = 29,253.10 × 16,729.68
  4. Step 4: Simplify right side
    19,485.30x = 489,395,002.01
  5. Step 5: Solve for x
    x = 489,395,002.01/19,485.30
  6. Step 6: Final answer
    x = 25,116.11

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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.