Home / 26,287.64-39,437.08-9,647.81

Finding the Fourth Proportional to 26,287.64, 39,437.08 and 9,647.81

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Solution

The fourth proportional to 26,287.64, 39,437.08 and 9,647.81 is: 14,473.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.64 : 39,437.08 = 9,647.81 : x
  2. Step 2: Convert to fraction form
    26,287.64/39,437.08 = 9,647.81/x
  3. Step 3: Cross multiply
    26,287.64x = 39,437.08 × 9,647.81
  4. Step 4: Simplify right side
    26,287.64x = 380,481,381.38
  5. Step 5: Solve for x
    x = 380,481,381.38/26,287.64
  6. Step 6: Final answer
    x = 14,473.78

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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.