Home / 29,287.02-40,416.20-15,858.44

Finding the Fourth Proportional to 29,287.02, 40,416.20 and 15,858.44

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Solution

The fourth proportional to 29,287.02, 40,416.20 and 15,858.44 is: 21,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,287.02 : 40,416.20 = 15,858.44 : x
  2. Step 2: Convert to fraction form
    29,287.02/40,416.20 = 15,858.44/x
  3. Step 3: Cross multiply
    29,287.02x = 40,416.20 × 15,858.44
  4. Step 4: Simplify right side
    29,287.02x = 640,937,882.73
  5. Step 5: Solve for x
    x = 640,937,882.73/29,287.02
  6. Step 6: Final answer
    x = 21,884.71

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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.