Home / 29,284.28-40,412.26-15,855.53

Finding the Fourth Proportional to 29,284.28, 40,412.26 and 15,855.53

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Solution

The fourth proportional to 29,284.28, 40,412.26 and 15,855.53 is: 21,880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,284.28 : 40,412.26 = 15,855.53 : x
  2. Step 2: Convert to fraction form
    29,284.28/40,412.26 = 15,855.53/x
  3. Step 3: Cross multiply
    29,284.28x = 40,412.26 × 15,855.53
  4. Step 4: Simplify right side
    29,284.28x = 640,758,005.22
  5. Step 5: Solve for x
    x = 640,758,005.22/29,284.28
  6. Step 6: Final answer
    x = 21,880.61

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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.