Home / 28,451.08-39,257.76-16,512.22

Finding the Fourth Proportional to 28,451.08, 39,257.76 and 16,512.22

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Solution

The fourth proportional to 28,451.08, 39,257.76 and 16,512.22 is: 22,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,451.08 : 39,257.76 = 16,512.22 : x
  2. Step 2: Convert to fraction form
    28,451.08/39,257.76 = 16,512.22/x
  3. Step 3: Cross multiply
    28,451.08x = 39,257.76 × 16,512.22
  4. Step 4: Simplify right side
    28,451.08x = 648,232,769.83
  5. Step 5: Solve for x
    x = 648,232,769.83/28,451.08
  6. Step 6: Final answer
    x = 22,784.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.