Home / 29,287.26-40,416.36-15,858.53

Finding the Fourth Proportional to 29,287.26, 40,416.36 and 15,858.53

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Solution

The fourth proportional to 29,287.26, 40,416.36 and 15,858.53 is: 21,884.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,287.26 : 40,416.36 = 15,858.53 : x
  2. Step 2: Convert to fraction form
    29,287.26/40,416.36 = 15,858.53/x
  3. Step 3: Cross multiply
    29,287.26x = 40,416.36 × 15,858.53
  4. Step 4: Simplify right side
    29,287.26x = 640,944,057.55
  5. Step 5: Solve for x
    x = 640,944,057.55/29,287.26
  6. Step 6: Final answer
    x = 21,884.74

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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.