Home / 28,230.64-42,346.01-8,514.84

Finding the Fourth Proportional to 28,230.64, 42,346.01 and 8,514.84

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Solution

The fourth proportional to 28,230.64, 42,346.01 and 8,514.84 is: 12,772.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230.64 : 42,346.01 = 8,514.84 : x
  2. Step 2: Convert to fraction form
    28,230.64/42,346.01 = 8,514.84/x
  3. Step 3: Cross multiply
    28,230.64x = 42,346.01 × 8,514.84
  4. Step 4: Simplify right side
    28,230.64x = 360,569,499.79
  5. Step 5: Solve for x
    x = 360,569,499.79/28,230.64
  6. Step 6: Final answer
    x = 12,772.28

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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.