Home / 25,460.80-38,202.66-13,760.32

Finding the Fourth Proportional to 25,460.80, 38,202.66 and 13,760.32

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Solution

The fourth proportional to 25,460.80, 38,202.66 and 13,760.32 is: 20,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,460.80 : 38,202.66 = 13,760.32 : x
  2. Step 2: Convert to fraction form
    25,460.80/38,202.66 = 13,760.32/x
  3. Step 3: Cross multiply
    25,460.80x = 38,202.66 × 13,760.32
  4. Step 4: Simplify right side
    25,460.80x = 525,680,826.45
  5. Step 5: Solve for x
    x = 525,680,826.45/25,460.80
  6. Step 6: Final answer
    x = 20,646.67

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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.