Home / 28,173.16-38,887.60-16,244.44

Finding the Fourth Proportional to 28,173.16, 38,887.60 and 16,244.44

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Solution

The fourth proportional to 28,173.16, 38,887.60 and 16,244.44 is: 22,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,173.16 : 38,887.60 = 16,244.44 : x
  2. Step 2: Convert to fraction form
    28,173.16/38,887.60 = 16,244.44/x
  3. Step 3: Cross multiply
    28,173.16x = 38,887.60 × 16,244.44
  4. Step 4: Simplify right side
    28,173.16x = 631,707,284.94
  5. Step 5: Solve for x
    x = 631,707,284.94/28,173.16
  6. Step 6: Final answer
    x = 22,422.31

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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.