Home / 28,263.75-38,999.43-16,324.80

Finding the Fourth Proportional to 28,263.75, 38,999.43 and 16,324.80

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Solution

The fourth proportional to 28,263.75, 38,999.43 and 16,324.80 is: 22,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263.75 : 38,999.43 = 16,324.80 : x
  2. Step 2: Convert to fraction form
    28,263.75/38,999.43 = 16,324.80/x
  3. Step 3: Cross multiply
    28,263.75x = 38,999.43 × 16,324.80
  4. Step 4: Simplify right side
    28,263.75x = 636,657,894.86
  5. Step 5: Solve for x
    x = 636,657,894.86/28,263.75
  6. Step 6: Final answer
    x = 22,525.60

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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.