Home / 25,365.63-34,996.64-15,297.15

Finding the Fourth Proportional to 25,365.63, 34,996.64 and 15,297.15

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Solution

The fourth proportional to 25,365.63, 34,996.64 and 15,297.15 is: 21,105.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,365.63 : 34,996.64 = 15,297.15 : x
  2. Step 2: Convert to fraction form
    25,365.63/34,996.64 = 15,297.15/x
  3. Step 3: Cross multiply
    25,365.63x = 34,996.64 × 15,297.15
  4. Step 4: Simplify right side
    25,365.63x = 535,348,775.09
  5. Step 5: Solve for x
    x = 535,348,775.09/25,365.63
  6. Step 6: Final answer
    x = 21,105.28

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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.