Home / 28,447.94-42,677.37-8,723.04

Finding the Fourth Proportional to 28,447.94, 42,677.37 and 8,723.04

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Solution

The fourth proportional to 28,447.94, 42,677.37 and 8,723.04 is: 13,086.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447.94 : 42,677.37 = 8,723.04 : x
  2. Step 2: Convert to fraction form
    28,447.94/42,677.37 = 8,723.04/x
  3. Step 3: Cross multiply
    28,447.94x = 42,677.37 × 8,723.04
  4. Step 4: Simplify right side
    28,447.94x = 372,276,405.60
  5. Step 5: Solve for x
    x = 372,276,405.60/28,447.94
  6. Step 6: Final answer
    x = 13,086.24

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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.