Home / 27,268.19-40,902.80-8,547.81

Finding the Fourth Proportional to 27,268.19, 40,902.80 and 8,547.81

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Solution

The fourth proportional to 27,268.19, 40,902.80 and 8,547.81 is: 12,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,268.19 : 40,902.80 = 8,547.81 : x
  2. Step 2: Convert to fraction form
    27,268.19/40,902.80 = 8,547.81/x
  3. Step 3: Cross multiply
    27,268.19x = 40,902.80 × 8,547.81
  4. Step 4: Simplify right side
    27,268.19x = 349,629,362.87
  5. Step 5: Solve for x
    x = 349,629,362.87/27,268.19
  6. Step 6: Final answer
    x = 12,821.88

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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.