Home / 27,417.68-37,835.70-15,318.26

Finding the Fourth Proportional to 27,417.68, 37,835.70 and 15,318.26

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Solution

The fourth proportional to 27,417.68, 37,835.70 and 15,318.26 is: 21,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,417.68 : 37,835.70 = 15,318.26 : x
  2. Step 2: Convert to fraction form
    27,417.68/37,835.70 = 15,318.26/x
  3. Step 3: Cross multiply
    27,417.68x = 37,835.70 × 15,318.26
  4. Step 4: Simplify right side
    27,417.68x = 579,576,986.44
  5. Step 5: Solve for x
    x = 579,576,986.44/27,417.68
  6. Step 6: Final answer
    x = 21,138.80

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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.