Home / 25,618.64-38,427.22-13,954.64

Finding the Fourth Proportional to 25,618.64, 38,427.22 and 13,954.64

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Solution

The fourth proportional to 25,618.64, 38,427.22 and 13,954.64 is: 20,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.64 : 38,427.22 = 13,954.64 : x
  2. Step 2: Convert to fraction form
    25,618.64/38,427.22 = 13,954.64/x
  3. Step 3: Cross multiply
    25,618.64x = 38,427.22 × 13,954.64
  4. Step 4: Simplify right side
    25,618.64x = 536,238,021.30
  5. Step 5: Solve for x
    x = 536,238,021.30/25,618.64
  6. Step 6: Final answer
    x = 20,931.56

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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.