Home / 28,310.41-42,464.64-7,250.62

Finding the Fourth Proportional to 28,310.41, 42,464.64 and 7,250.62

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Solution

The fourth proportional to 28,310.41, 42,464.64 and 7,250.62 is: 10,875.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,310.41 : 42,464.64 = 7,250.62 : x
  2. Step 2: Convert to fraction form
    28,310.41/42,464.64 = 7,250.62/x
  3. Step 3: Cross multiply
    28,310.41x = 42,464.64 × 7,250.62
  4. Step 4: Simplify right side
    28,310.41x = 307,894,968.08
  5. Step 5: Solve for x
    x = 307,894,968.08/28,310.41
  6. Step 6: Final answer
    x = 10,875.68

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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.