Home / 23,420.55-35,131.28-8,621.85

Finding the Fourth Proportional to 23,420.55, 35,131.28 and 8,621.85

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Solution

The fourth proportional to 23,420.55, 35,131.28 and 8,621.85 is: 12,932.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,420.55 : 35,131.28 = 8,621.85 : x
  2. Step 2: Convert to fraction form
    23,420.55/35,131.28 = 8,621.85/x
  3. Step 3: Cross multiply
    23,420.55x = 35,131.28 × 8,621.85
  4. Step 4: Simplify right side
    23,420.55x = 302,896,721.98
  5. Step 5: Solve for x
    x = 302,896,721.98/23,420.55
  6. Step 6: Final answer
    x = 12,932.95

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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.