Home / 27,298.80-37,669.66-15,361.88

Finding the Fourth Proportional to 27,298.80, 37,669.66 and 15,361.88

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Solution

The fourth proportional to 27,298.80, 37,669.66 and 15,361.88 is: 21,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,298.80 : 37,669.66 = 15,361.88 : x
  2. Step 2: Convert to fraction form
    27,298.80/37,669.66 = 15,361.88/x
  3. Step 3: Cross multiply
    27,298.80x = 37,669.66 × 15,361.88
  4. Step 4: Simplify right side
    27,298.80x = 578,676,569.81
  5. Step 5: Solve for x
    x = 578,676,569.81/27,298.80
  6. Step 6: Final answer
    x = 21,197.88

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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.