Home / 25,761.21-38,656.32-13,914.82

Finding the Fourth Proportional to 25,761.21, 38,656.32 and 13,914.82

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Solution

The fourth proportional to 25,761.21, 38,656.32 and 13,914.82 is: 20,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,761.21 : 38,656.32 = 13,914.82 : x
  2. Step 2: Convert to fraction form
    25,761.21/38,656.32 = 13,914.82/x
  3. Step 3: Cross multiply
    25,761.21x = 38,656.32 × 13,914.82
  4. Step 4: Simplify right side
    25,761.21x = 537,895,734.66
  5. Step 5: Solve for x
    x = 537,895,734.66/25,761.21
  6. Step 6: Final answer
    x = 20,880.06

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1.5x scale

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.