Home / 25,559.50-35,272.89-13,918.49

Finding the Fourth Proportional to 25,559.50, 35,272.89 and 13,918.49

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Solution

The fourth proportional to 25,559.50, 35,272.89 and 13,918.49 is: 19,207.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,559.50 : 35,272.89 = 13,918.49 : x
  2. Step 2: Convert to fraction form
    25,559.50/35,272.89 = 13,918.49/x
  3. Step 3: Cross multiply
    25,559.50x = 35,272.89 × 13,918.49
  4. Step 4: Simplify right side
    25,559.50x = 490,945,366.74
  5. Step 5: Solve for x
    x = 490,945,366.74/25,559.50
  6. Step 6: Final answer
    x = 19,207.94

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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.