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Finding the Fourth Proportional to 25,651.99, 35,388.17 and 15,037.14

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Solution

The fourth proportional to 25,651.99, 35,388.17 and 15,037.14 is: 20,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.99 : 35,388.17 = 15,037.14 : x
  2. Step 2: Convert to fraction form
    25,651.99/35,388.17 = 15,037.14/x
  3. Step 3: Cross multiply
    25,651.99x = 35,388.17 × 15,037.14
  4. Step 4: Simplify right side
    25,651.99x = 532,136,866.63
  5. Step 5: Solve for x
    x = 532,136,866.63/25,651.99
  6. Step 6: Final answer
    x = 20,744.47

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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.