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Finding the Fourth Proportional to 25,447.88, 35,118.44 and 19,063.16

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Solution

The fourth proportional to 25,447.88, 35,118.44 and 19,063.16 is: 26,307.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,447.88 : 35,118.44 = 19,063.16 : x
  2. Step 2: Convert to fraction form
    25,447.88/35,118.44 = 19,063.16/x
  3. Step 3: Cross multiply
    25,447.88x = 35,118.44 × 19,063.16
  4. Step 4: Simplify right side
    25,447.88x = 669,468,440.67
  5. Step 5: Solve for x
    x = 669,468,440.67/25,447.88
  6. Step 6: Final answer
    x = 26,307.43

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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.