Home / 25,515.96-38,206.26-13,792.92

Finding the Fourth Proportional to 25,515.96, 38,206.26 and 13,792.92

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Solution

The fourth proportional to 25,515.96, 38,206.26 and 13,792.92 is: 20,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.96 : 38,206.26 = 13,792.92 : x
  2. Step 2: Convert to fraction form
    25,515.96/38,206.26 = 13,792.92/x
  3. Step 3: Cross multiply
    25,515.96x = 38,206.26 × 13,792.92
  4. Step 4: Simplify right side
    25,515.96x = 526,975,887.68
  5. Step 5: Solve for x
    x = 526,975,887.68/25,515.96
  6. Step 6: Final answer
    x = 20,652.79

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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.