Home / 28,181.42-38,887.08-16,244.66

Finding the Fourth Proportional to 28,181.42, 38,887.08 and 16,244.66

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Solution

The fourth proportional to 28,181.42, 38,887.08 and 16,244.66 is: 22,415.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.42 : 38,887.08 = 16,244.66 : x
  2. Step 2: Convert to fraction form
    28,181.42/38,887.08 = 16,244.66/x
  3. Step 3: Cross multiply
    28,181.42x = 38,887.08 × 16,244.66
  4. Step 4: Simplify right side
    28,181.42x = 631,707,392.99
  5. Step 5: Solve for x
    x = 631,707,392.99/28,181.42
  6. Step 6: Final answer
    x = 22,415.74

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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.