Home / 25,198.32-34,763.64-15,127.32

Finding the Fourth Proportional to 25,198.32, 34,763.64 and 15,127.32

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Solution

The fourth proportional to 25,198.32, 34,763.64 and 15,127.32 is: 20,869.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,198.32 : 34,763.64 = 15,127.32 : x
  2. Step 2: Convert to fraction form
    25,198.32/34,763.64 = 15,127.32/x
  3. Step 3: Cross multiply
    25,198.32x = 34,763.64 × 15,127.32
  4. Step 4: Simplify right side
    25,198.32x = 525,880,706.64
  5. Step 5: Solve for x
    x = 525,880,706.64/25,198.32
  6. Step 6: Final answer
    x = 20,869.67

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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.