Home / 84,464.37-126,608.29-28,258.24

Finding the Fourth Proportional to 84,464.37, 126,608.29 and 28,258.24

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Solution

The fourth proportional to 84,464.37, 126,608.29 and 28,258.24 is: 42,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,464.37 : 126,608.29 = 28,258.24 : x
  2. Step 2: Convert to fraction form
    84,464.37/126,608.29 = 28,258.24/x
  3. Step 3: Cross multiply
    84,464.37x = 126,608.29 × 28,258.24
  4. Step 4: Simplify right side
    84,464.37x = 3,577,727,730.60
  5. Step 5: Solve for x
    x = 3,577,727,730.60/84,464.37
  6. Step 6: Final answer
    x = 42,357.83

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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.