Home / 23,420.90-35,131.80-8,622.20

Finding the Fourth Proportional to 23,420.90, 35,131.80 and 8,622.20

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Solution

The fourth proportional to 23,420.90, 35,131.80 and 8,622.20 is: 12,933.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,420.90 : 35,131.80 = 8,622.20 : x
  2. Step 2: Convert to fraction form
    23,420.90/35,131.80 = 8,622.20/x
  3. Step 3: Cross multiply
    23,420.90x = 35,131.80 × 8,622.20
  4. Step 4: Simplify right side
    23,420.90x = 302,913,230.30
  5. Step 5: Solve for x
    x = 302,913,230.30/23,420.90
  6. Step 6: Final answer
    x = 12,933.46

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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.