Home / 28,181.39-42,276.94-9,463.22

Finding the Fourth Proportional to 28,181.39, 42,276.94 and 9,463.22

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Solution

The fourth proportional to 28,181.39, 42,276.94 and 9,463.22 is: 14,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.39 : 42,276.94 = 9,463.22 : x
  2. Step 2: Convert to fraction form
    28,181.39/42,276.94 = 9,463.22/x
  3. Step 3: Cross multiply
    28,181.39x = 42,276.94 × 9,463.22
  4. Step 4: Simplify right side
    28,181.39x = 400,076,066.18
  5. Step 5: Solve for x
    x = 400,076,066.18/28,181.39
  6. Step 6: Final answer
    x = 14,196.47

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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.