Home / 15,621.57-23,432.15-3,775.25

Finding the Fourth Proportional to 15,621.57, 23,432.15 and 3,775.25

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Solution

The fourth proportional to 15,621.57, 23,432.15 and 3,775.25 is: 5,662.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.57 : 23,432.15 = 3,775.25 : x
  2. Step 2: Convert to fraction form
    15,621.57/23,432.15 = 3,775.25/x
  3. Step 3: Cross multiply
    15,621.57x = 23,432.15 × 3,775.25
  4. Step 4: Simplify right side
    15,621.57x = 88,462,205.41
  5. Step 5: Solve for x
    x = 88,462,205.41/15,621.57
  6. Step 6: Final answer
    x = 5,662.82

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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.