Home / 23,116.80-31,910.40-14,745.60

Finding the Fourth Proportional to 23,116.80, 31,910.40 and 14,745.60

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Solution

The fourth proportional to 23,116.80, 31,910.40 and 14,745.60 is: 20,354.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,116.80 : 31,910.40 = 14,745.60 : x
  2. Step 2: Convert to fraction form
    23,116.80/31,910.40 = 14,745.60/x
  3. Step 3: Cross multiply
    23,116.80x = 31,910.40 × 14,745.60
  4. Step 4: Simplify right side
    23,116.80x = 470,537,994.24
  5. Step 5: Solve for x
    x = 470,537,994.24/23,116.80
  6. Step 6: Final answer
    x = 20,354.81

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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.