Home / 25,171.26-34,735.62-13,840.77

Finding the Fourth Proportional to 25,171.26, 34,735.62 and 13,840.77

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Solution

The fourth proportional to 25,171.26, 34,735.62 and 13,840.77 is: 19,099.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,171.26 : 34,735.62 = 13,840.77 : x
  2. Step 2: Convert to fraction form
    25,171.26/34,735.62 = 13,840.77/x
  3. Step 3: Cross multiply
    25,171.26x = 34,735.62 × 13,840.77
  4. Step 4: Simplify right side
    25,171.26x = 480,767,727.23
  5. Step 5: Solve for x
    x = 480,767,727.23/25,171.26
  6. Step 6: Final answer
    x = 19,099.87

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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.