Home / 29,431.08-40,615.44-16,855.80

Finding the Fourth Proportional to 29,431.08, 40,615.44 and 16,855.80

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Solution

The fourth proportional to 29,431.08, 40,615.44 and 16,855.80 is: 23,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,431.08 : 40,615.44 = 16,855.80 : x
  2. Step 2: Convert to fraction form
    29,431.08/40,615.44 = 16,855.80/x
  3. Step 3: Cross multiply
    29,431.08x = 40,615.44 × 16,855.80
  4. Step 4: Simplify right side
    29,431.08x = 684,605,733.55
  5. Step 5: Solve for x
    x = 684,605,733.55/29,431.08
  6. Step 6: Final answer
    x = 23,261.32

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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.