Home / 25,245.36-34,837.14-15,171.93

Finding the Fourth Proportional to 25,245.36, 34,837.14 and 15,171.93

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Solution

The fourth proportional to 25,245.36, 34,837.14 and 15,171.93 is: 20,936.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,245.36 : 34,837.14 = 15,171.93 : x
  2. Step 2: Convert to fraction form
    25,245.36/34,837.14 = 15,171.93/x
  3. Step 3: Cross multiply
    25,245.36x = 34,837.14 × 15,171.93
  4. Step 4: Simplify right side
    25,245.36x = 528,546,649.48
  5. Step 5: Solve for x
    x = 528,546,649.48/25,245.36
  6. Step 6: Final answer
    x = 20,936.39

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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.