Home / 27,368.38-37,772.28-19,839.64

Finding the Fourth Proportional to 27,368.38, 37,772.28 and 19,839.64

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Solution

The fourth proportional to 27,368.38, 37,772.28 and 19,839.64 is: 27,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,368.38 : 37,772.28 = 19,839.64 : x
  2. Step 2: Convert to fraction form
    27,368.38/37,772.28 = 19,839.64/x
  3. Step 3: Cross multiply
    27,368.38x = 37,772.28 × 19,839.64
  4. Step 4: Simplify right side
    27,368.38x = 749,388,437.18
  5. Step 5: Solve for x
    x = 749,388,437.18/27,368.38
  6. Step 6: Final answer
    x = 27,381.54

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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.