Home / 27,068.81-37,361.73-21,670.16

Finding the Fourth Proportional to 27,068.81, 37,361.73 and 21,670.16

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Solution

The fourth proportional to 27,068.81, 37,361.73 and 21,670.16 is: 29,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,068.81 : 37,361.73 = 21,670.16 : x
  2. Step 2: Convert to fraction form
    27,068.81/37,361.73 = 21,670.16/x
  3. Step 3: Cross multiply
    27,068.81x = 37,361.73 × 21,670.16
  4. Step 4: Simplify right side
    27,068.81x = 809,634,558.63
  5. Step 5: Solve for x
    x = 809,634,558.63/27,068.81
  6. Step 6: Final answer
    x = 29,910.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.