Home / 28,173.64-42,267.48-8,452.58

Finding the Fourth Proportional to 28,173.64, 42,267.48 and 8,452.58

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Solution

The fourth proportional to 28,173.64, 42,267.48 and 8,452.58 is: 12,680.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,173.64 : 42,267.48 = 8,452.58 : x
  2. Step 2: Convert to fraction form
    28,173.64/42,267.48 = 8,452.58/x
  3. Step 3: Cross multiply
    28,173.64x = 42,267.48 × 8,452.58
  4. Step 4: Simplify right side
    28,173.64x = 357,269,256.10
  5. Step 5: Solve for x
    x = 357,269,256.10/28,173.64
  6. Step 6: Final answer
    x = 12,680.98

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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.