Home / 28,665.37-42,999.96-7,605.12

Finding the Fourth Proportional to 28,665.37, 42,999.96 and 7,605.12

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Solution

The fourth proportional to 28,665.37, 42,999.96 and 7,605.12 is: 11,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665.37 : 42,999.96 = 7,605.12 : x
  2. Step 2: Convert to fraction form
    28,665.37/42,999.96 = 7,605.12/x
  3. Step 3: Cross multiply
    28,665.37x = 42,999.96 × 7,605.12
  4. Step 4: Simplify right side
    28,665.37x = 327,019,855.80
  5. Step 5: Solve for x
    x = 327,019,855.80/28,665.37
  6. Step 6: Final answer
    x = 11,408.19

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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.