Home / 28,370.26-42,562.91-8,648.99

Finding the Fourth Proportional to 28,370.26, 42,562.91 and 8,648.99

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Solution

The fourth proportional to 28,370.26, 42,562.91 and 8,648.99 is: 12,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,370.26 : 42,562.91 = 8,648.99 : x
  2. Step 2: Convert to fraction form
    28,370.26/42,562.91 = 8,648.99/x
  3. Step 3: Cross multiply
    28,370.26x = 42,562.91 × 8,648.99
  4. Step 4: Simplify right side
    28,370.26x = 368,126,182.96
  5. Step 5: Solve for x
    x = 368,126,182.96/28,370.26
  6. Step 6: Final answer
    x = 12,975.78

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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.