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Finding the Fourth Proportional to 25,367.76, 35,008.74 and 14,037.21

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Solution

The fourth proportional to 25,367.76, 35,008.74 and 14,037.21 is: 19,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,367.76 : 35,008.74 = 14,037.21 : x
  2. Step 2: Convert to fraction form
    25,367.76/35,008.74 = 14,037.21/x
  3. Step 3: Cross multiply
    25,367.76x = 35,008.74 × 14,037.21
  4. Step 4: Simplify right side
    25,367.76x = 491,425,035.22
  5. Step 5: Solve for x
    x = 491,425,035.22/25,367.76
  6. Step 6: Final answer
    x = 19,372.03

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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.