Home / 25,489.33-35,175.69-14,311.09

Finding the Fourth Proportional to 25,489.33, 35,175.69 and 14,311.09

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Solution

The fourth proportional to 25,489.33, 35,175.69 and 14,311.09 is: 19,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,489.33 : 35,175.69 = 14,311.09 : x
  2. Step 2: Convert to fraction form
    25,489.33/35,175.69 = 14,311.09/x
  3. Step 3: Cross multiply
    25,489.33x = 35,175.69 × 14,311.09
  4. Step 4: Simplify right side
    25,489.33x = 503,402,465.40
  5. Step 5: Solve for x
    x = 503,402,465.40/25,489.33
  6. Step 6: Final answer
    x = 19,749.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.