Home / 84,200.24-126,274.08-28,027.21

Finding the Fourth Proportional to 84,200.24, 126,274.08 and 28,027.21

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Solution

The fourth proportional to 84,200.24, 126,274.08 and 28,027.21 is: 42,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,200.24 : 126,274.08 = 28,027.21 : x
  2. Step 2: Convert to fraction form
    84,200.24/126,274.08 = 28,027.21/x
  3. Step 3: Cross multiply
    84,200.24x = 126,274.08 × 28,027.21
  4. Step 4: Simplify right side
    84,200.24x = 3,539,110,157.72
  5. Step 5: Solve for x
    x = 3,539,110,157.72/84,200.24
  6. Step 6: Final answer
    x = 42,032.07

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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.