Home / 25,259.58-34,856.60-13,929.12

Finding the Fourth Proportional to 25,259.58, 34,856.60 and 13,929.12

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Solution

The fourth proportional to 25,259.58, 34,856.60 and 13,929.12 is: 19,221.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,259.58 : 34,856.60 = 13,929.12 : x
  2. Step 2: Convert to fraction form
    25,259.58/34,856.60 = 13,929.12/x
  3. Step 3: Cross multiply
    25,259.58x = 34,856.60 × 13,929.12
  4. Step 4: Simplify right side
    25,259.58x = 485,521,694.55
  5. Step 5: Solve for x
    x = 485,521,694.55/25,259.58
  6. Step 6: Final answer
    x = 19,221.29

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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.