Home / 28,245.16-42,367.74-15,057.55

Finding the Fourth Proportional to 28,245.16, 42,367.74 and 15,057.55

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Solution

The fourth proportional to 28,245.16, 42,367.74 and 15,057.55 is: 22,586.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245.16 : 42,367.74 = 15,057.55 : x
  2. Step 2: Convert to fraction form
    28,245.16/42,367.74 = 15,057.55/x
  3. Step 3: Cross multiply
    28,245.16x = 42,367.74 × 15,057.55
  4. Step 4: Simplify right side
    28,245.16x = 637,954,363.44
  5. Step 5: Solve for x
    x = 637,954,363.44/28,245.16
  6. Step 6: Final answer
    x = 22,586.33

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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.