Home / 28,200.48-42,293.36-8,473.76

Finding the Fourth Proportional to 28,200.48, 42,293.36 and 8,473.76

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Solution

The fourth proportional to 28,200.48, 42,293.36 and 8,473.76 is: 12,708.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,200.48 : 42,293.36 = 8,473.76 : x
  2. Step 2: Convert to fraction form
    28,200.48/42,293.36 = 8,473.76/x
  3. Step 3: Cross multiply
    28,200.48x = 42,293.36 × 8,473.76
  4. Step 4: Simplify right side
    28,200.48x = 358,383,782.23
  5. Step 5: Solve for x
    x = 358,383,782.23/28,200.48
  6. Step 6: Final answer
    x = 12,708.43

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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.