Home / 28,255.44-38,999.58-16,325.70

Finding the Fourth Proportional to 28,255.44, 38,999.58 and 16,325.70

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Solution

The fourth proportional to 28,255.44, 38,999.58 and 16,325.70 is: 22,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,255.44 : 38,999.58 = 16,325.70 : x
  2. Step 2: Convert to fraction form
    28,255.44/38,999.58 = 16,325.70/x
  3. Step 3: Cross multiply
    28,255.44x = 38,999.58 × 16,325.70
  4. Step 4: Simplify right side
    28,255.44x = 636,695,443.21
  5. Step 5: Solve for x
    x = 636,695,443.21/28,255.44
  6. Step 6: Final answer
    x = 22,533.55

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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.