Home / 16,447.20-24,670.80-15,086.40

Finding the Fourth Proportional to 16,447.20, 24,670.80 and 15,086.40

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Solution

The fourth proportional to 16,447.20, 24,670.80 and 15,086.40 is: 22,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,447.20 : 24,670.80 = 15,086.40 : x
  2. Step 2: Convert to fraction form
    16,447.20/24,670.80 = 15,086.40/x
  3. Step 3: Cross multiply
    16,447.20x = 24,670.80 × 15,086.40
  4. Step 4: Simplify right side
    16,447.20x = 372,193,557.12
  5. Step 5: Solve for x
    x = 372,193,557.12/16,447.20
  6. Step 6: Final answer
    x = 22,629.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.