Home / 28,975.57-43,466.99-10,251.20

Finding the Fourth Proportional to 28,975.57, 43,466.99 and 10,251.20

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Solution

The fourth proportional to 28,975.57, 43,466.99 and 10,251.20 is: 15,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.57 : 43,466.99 = 10,251.20 : x
  2. Step 2: Convert to fraction form
    28,975.57/43,466.99 = 10,251.20/x
  3. Step 3: Cross multiply
    28,975.57x = 43,466.99 × 10,251.20
  4. Step 4: Simplify right side
    28,975.57x = 445,588,807.89
  5. Step 5: Solve for x
    x = 445,588,807.89/28,975.57
  6. Step 6: Final answer
    x = 15,378.09

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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.