Home / 25,310.22-34,929.09-13,980.30

Finding the Fourth Proportional to 25,310.22, 34,929.09 and 13,980.30

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Solution

The fourth proportional to 25,310.22, 34,929.09 and 13,980.30 is: 19,293.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,310.22 : 34,929.09 = 13,980.30 : x
  2. Step 2: Convert to fraction form
    25,310.22/34,929.09 = 13,980.30/x
  3. Step 3: Cross multiply
    25,310.22x = 34,929.09 × 13,980.30
  4. Step 4: Simplify right side
    25,310.22x = 488,319,156.93
  5. Step 5: Solve for x
    x = 488,319,156.93/25,310.22
  6. Step 6: Final answer
    x = 19,293.36

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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.