Home / 27,068.56-37,361.38-21,669.91

Finding the Fourth Proportional to 27,068.56, 37,361.38 and 21,669.91

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Solution

The fourth proportional to 27,068.56, 37,361.38 and 21,669.91 is: 29,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,068.56 : 37,361.38 = 21,669.91 : x
  2. Step 2: Convert to fraction form
    27,068.56/37,361.38 = 21,669.91/x
  3. Step 3: Cross multiply
    27,068.56x = 37,361.38 × 21,669.91
  4. Step 4: Simplify right side
    27,068.56x = 809,617,742.08
  5. Step 5: Solve for x
    x = 809,617,742.08/27,068.56
  6. Step 6: Final answer
    x = 29,909.89

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1.5x scale

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.