Home / 38,013.12-57,012.96-10,313.28

Finding the Fourth Proportional to 38,013.12, 57,012.96 and 10,313.28

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Solution

The fourth proportional to 38,013.12, 57,012.96 and 10,313.28 is: 15,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013.12 : 57,012.96 = 10,313.28 : x
  2. Step 2: Convert to fraction form
    38,013.12/57,012.96 = 10,313.28/x
  3. Step 3: Cross multiply
    38,013.12x = 57,012.96 × 10,313.28
  4. Step 4: Simplify right side
    38,013.12x = 587,990,620.11
  5. Step 5: Solve for x
    x = 587,990,620.11/38,013.12
  6. Step 6: Final answer
    x = 15,468.10

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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.