Home / 25,419.88-38,140.29-11,181.04

Finding the Fourth Proportional to 25,419.88, 38,140.29 and 11,181.04

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Solution

The fourth proportional to 25,419.88, 38,140.29 and 11,181.04 is: 16,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,419.88 : 38,140.29 = 11,181.04 : x
  2. Step 2: Convert to fraction form
    25,419.88/38,140.29 = 11,181.04/x
  3. Step 3: Cross multiply
    25,419.88x = 38,140.29 × 11,181.04
  4. Step 4: Simplify right side
    25,419.88x = 426,448,108.10
  5. Step 5: Solve for x
    x = 426,448,108.10/25,419.88
  6. Step 6: Final answer
    x = 16,776.17

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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.