Home / 29,278.98-43,918.47-13,707.54

Finding the Fourth Proportional to 29,278.98, 43,918.47 and 13,707.54

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Solution

The fourth proportional to 29,278.98, 43,918.47 and 13,707.54 is: 20,561.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.98 : 43,918.47 = 13,707.54 : x
  2. Step 2: Convert to fraction form
    29,278.98/43,918.47 = 13,707.54/x
  3. Step 3: Cross multiply
    29,278.98x = 43,918.47 × 13,707.54
  4. Step 4: Simplify right side
    29,278.98x = 602,014,184.26
  5. Step 5: Solve for x
    x = 602,014,184.26/29,278.98
  6. Step 6: Final answer
    x = 20,561.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.