Home / 28,416.72-42,627.24-14,575.44

Finding the Fourth Proportional to 28,416.72, 42,627.24 and 14,575.44

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Solution

The fourth proportional to 28,416.72, 42,627.24 and 14,575.44 is: 21,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.72 : 42,627.24 = 14,575.44 : x
  2. Step 2: Convert to fraction form
    28,416.72/42,627.24 = 14,575.44/x
  3. Step 3: Cross multiply
    28,416.72x = 42,627.24 × 14,575.44
  4. Step 4: Simplify right side
    28,416.72x = 621,310,778.99
  5. Step 5: Solve for x
    x = 621,310,778.99/28,416.72
  6. Step 6: Final answer
    x = 21,864.27

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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.