Home / 27,869.24-38,459.94-15,294.26

Finding the Fourth Proportional to 27,869.24, 38,459.94 and 15,294.26

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Solution

The fourth proportional to 27,869.24, 38,459.94 and 15,294.26 is: 21,106.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,869.24 : 38,459.94 = 15,294.26 : x
  2. Step 2: Convert to fraction form
    27,869.24/38,459.94 = 15,294.26/x
  3. Step 3: Cross multiply
    27,869.24x = 38,459.94 × 15,294.26
  4. Step 4: Simplify right side
    27,869.24x = 588,216,321.94
  5. Step 5: Solve for x
    x = 588,216,321.94/27,869.24
  6. Step 6: Final answer
    x = 21,106.29

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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.