Home / 25,203.06-34,778.95-13,872.26

Finding the Fourth Proportional to 25,203.06, 34,778.95 and 13,872.26

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Solution

The fourth proportional to 25,203.06, 34,778.95 and 13,872.26 is: 19,143.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,203.06 : 34,778.95 = 13,872.26 : x
  2. Step 2: Convert to fraction form
    25,203.06/34,778.95 = 13,872.26/x
  3. Step 3: Cross multiply
    25,203.06x = 34,778.95 × 13,872.26
  4. Step 4: Simplify right side
    25,203.06x = 482,462,636.93
  5. Step 5: Solve for x
    x = 482,462,636.93/25,203.06
  6. Step 6: Final answer
    x = 19,143.02

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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.