Home / 28,775.72-43,135.90-14,742.38

Finding the Fourth Proportional to 28,775.72, 43,135.90 and 14,742.38

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Solution

The fourth proportional to 28,775.72, 43,135.90 and 14,742.38 is: 22,099.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775.72 : 43,135.90 = 14,742.38 : x
  2. Step 2: Convert to fraction form
    28,775.72/43,135.90 = 14,742.38/x
  3. Step 3: Cross multiply
    28,775.72x = 43,135.90 × 14,742.38
  4. Step 4: Simplify right side
    28,775.72x = 635,925,900.43
  5. Step 5: Solve for x
    x = 635,925,900.43/28,775.72
  6. Step 6: Final answer
    x = 22,099.39

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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.