Home / 28,057.32-42,083.46-9,331.29

Finding the Fourth Proportional to 28,057.32, 42,083.46 and 9,331.29

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Solution

The fourth proportional to 28,057.32, 42,083.46 and 9,331.29 is: 13,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057.32 : 42,083.46 = 9,331.29 : x
  2. Step 2: Convert to fraction form
    28,057.32/42,083.46 = 9,331.29/x
  3. Step 3: Cross multiply
    28,057.32x = 42,083.46 × 9,331.29
  4. Step 4: Simplify right side
    28,057.32x = 392,692,969.46
  5. Step 5: Solve for x
    x = 392,692,969.46/28,057.32
  6. Step 6: Final answer
    x = 13,996.10

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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.