Home / 20,851.02-28,749.33-16,589.07

Finding the Fourth Proportional to 20,851.02, 28,749.33 and 16,589.07

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Solution

The fourth proportional to 20,851.02, 28,749.33 and 16,589.07 is: 22,872.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,851.02 : 28,749.33 = 16,589.07 : x
  2. Step 2: Convert to fraction form
    20,851.02/28,749.33 = 16,589.07/x
  3. Step 3: Cross multiply
    20,851.02x = 28,749.33 × 16,589.07
  4. Step 4: Simplify right side
    20,851.02x = 476,924,647.82
  5. Step 5: Solve for x
    x = 476,924,647.82/20,851.02
  6. Step 6: Final answer
    x = 22,872.96

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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.