Home / 25,517.24-35,205.65-15,442.46

Finding the Fourth Proportional to 25,517.24, 35,205.65 and 15,442.46

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Solution

The fourth proportional to 25,517.24, 35,205.65 and 15,442.46 is: 21,305.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,517.24 : 35,205.65 = 15,442.46 : x
  2. Step 2: Convert to fraction form
    25,517.24/35,205.65 = 15,442.46/x
  3. Step 3: Cross multiply
    25,517.24x = 35,205.65 × 15,442.46
  4. Step 4: Simplify right side
    25,517.24x = 543,661,665.87
  5. Step 5: Solve for x
    x = 543,661,665.87/25,517.24
  6. Step 6: Final answer
    x = 21,305.67

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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.