Home / 25,431.18-38,135.97-13,741.26

Finding the Fourth Proportional to 25,431.18, 38,135.97 and 13,741.26

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Solution

The fourth proportional to 25,431.18, 38,135.97 and 13,741.26 is: 20,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,431.18 : 38,135.97 = 13,741.26 : x
  2. Step 2: Convert to fraction form
    25,431.18/38,135.97 = 13,741.26/x
  3. Step 3: Cross multiply
    25,431.18x = 38,135.97 × 13,741.26
  4. Step 4: Simplify right side
    25,431.18x = 524,036,279.12
  5. Step 5: Solve for x
    x = 524,036,279.12/25,431.18
  6. Step 6: Final answer
    x = 20,606.05

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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.