Home / 25,120.74-34,667.06-13,791.31

Finding the Fourth Proportional to 25,120.74, 34,667.06 and 13,791.31

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Solution

The fourth proportional to 25,120.74, 34,667.06 and 13,791.31 is: 19,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.74 : 34,667.06 = 13,791.31 : x
  2. Step 2: Convert to fraction form
    25,120.74/34,667.06 = 13,791.31/x
  3. Step 3: Cross multiply
    25,120.74x = 34,667.06 × 13,791.31
  4. Step 4: Simplify right side
    25,120.74x = 478,104,119.06
  5. Step 5: Solve for x
    x = 478,104,119.06/25,120.74
  6. Step 6: Final answer
    x = 19,032.25

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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.