Home / 20,734.02-28,617.03-14,442.75

Finding the Fourth Proportional to 20,734.02, 28,617.03 and 14,442.75

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Solution

The fourth proportional to 20,734.02, 28,617.03 and 14,442.75 is: 19,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734.02 : 28,617.03 = 14,442.75 : x
  2. Step 2: Convert to fraction form
    20,734.02/28,617.03 = 14,442.75/x
  3. Step 3: Cross multiply
    20,734.02x = 28,617.03 × 14,442.75
  4. Step 4: Simplify right side
    20,734.02x = 413,308,610.03
  5. Step 5: Solve for x
    x = 413,308,610.03/20,734.02
  6. Step 6: Final answer
    x = 19,933.84

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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.