Home / 25,365.88-34,996.98-15,297.40

Finding the Fourth Proportional to 25,365.88, 34,996.98 and 15,297.40

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Solution

The fourth proportional to 25,365.88, 34,996.98 and 15,297.40 is: 21,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,365.88 : 34,996.98 = 15,297.40 : x
  2. Step 2: Convert to fraction form
    25,365.88/34,996.98 = 15,297.40/x
  3. Step 3: Cross multiply
    25,365.88x = 34,996.98 × 15,297.40
  4. Step 4: Simplify right side
    25,365.88x = 535,362,801.85
  5. Step 5: Solve for x
    x = 535,362,801.85/25,365.88
  6. Step 6: Final answer
    x = 21,105.63

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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.