Home / 76,847.24-115,274.40-28,827.32

Finding the Fourth Proportional to 76,847.24, 115,274.40 and 28,827.32

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Solution

The fourth proportional to 76,847.24, 115,274.40 and 28,827.32 is: 43,242.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,847.24 : 115,274.40 = 28,827.32 : x
  2. Step 2: Convert to fraction form
    76,847.24/115,274.40 = 28,827.32/x
  3. Step 3: Cross multiply
    76,847.24x = 115,274.40 × 28,827.32
  4. Step 4: Simplify right side
    76,847.24x = 3,323,052,016.61
  5. Step 5: Solve for x
    x = 3,323,052,016.61/76,847.24
  6. Step 6: Final answer
    x = 43,242.31

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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.