Home / 25,171.53-34,733.82-20,133.93

Finding the Fourth Proportional to 25,171.53, 34,733.82 and 20,133.93

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Solution

The fourth proportional to 25,171.53, 34,733.82 and 20,133.93 is: 27,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,171.53 : 34,733.82 = 20,133.93 : x
  2. Step 2: Convert to fraction form
    25,171.53/34,733.82 = 20,133.93/x
  3. Step 3: Cross multiply
    25,171.53x = 34,733.82 × 20,133.93
  4. Step 4: Simplify right side
    25,171.53x = 699,328,300.51
  5. Step 5: Solve for x
    x = 699,328,300.51/25,171.53
  6. Step 6: Final answer
    x = 27,782.51

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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.