Home / 28,181.88-38,889.60-16,244.52

Finding the Fourth Proportional to 28,181.88, 38,889.60 and 16,244.52

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Solution

The fourth proportional to 28,181.88, 38,889.60 and 16,244.52 is: 22,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.88 : 38,889.60 = 16,244.52 : x
  2. Step 2: Convert to fraction form
    28,181.88/38,889.60 = 16,244.52/x
  3. Step 3: Cross multiply
    28,181.88x = 38,889.60 × 16,244.52
  4. Step 4: Simplify right side
    28,181.88x = 631,742,884.99
  5. Step 5: Solve for x
    x = 631,742,884.99/28,181.88
  6. Step 6: Final answer
    x = 22,416.63

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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.