Home / 27,904.59-38,508.17-15,329.25

Finding the Fourth Proportional to 27,904.59, 38,508.17 and 15,329.25

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Solution

The fourth proportional to 27,904.59, 38,508.17 and 15,329.25 is: 21,154.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,904.59 : 38,508.17 = 15,329.25 : x
  2. Step 2: Convert to fraction form
    27,904.59/38,508.17 = 15,329.25/x
  3. Step 3: Cross multiply
    27,904.59x = 38,508.17 × 15,329.25
  4. Step 4: Simplify right side
    27,904.59x = 590,301,288.33
  5. Step 5: Solve for x
    x = 590,301,288.33/27,904.59
  6. Step 6: Final answer
    x = 21,154.27

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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.