Home / 27,801.49-38,365.99-15,054.69

Finding the Fourth Proportional to 27,801.49, 38,365.99 and 15,054.69

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Solution

The fourth proportional to 27,801.49, 38,365.99 and 15,054.69 is: 20,775.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,801.49 : 38,365.99 = 15,054.69 : x
  2. Step 2: Convert to fraction form
    27,801.49/38,365.99 = 15,054.69/x
  3. Step 3: Cross multiply
    27,801.49x = 38,365.99 × 15,054.69
  4. Step 4: Simplify right side
    27,801.49x = 577,588,085.99
  5. Step 5: Solve for x
    x = 577,588,085.99/27,801.49
  6. Step 6: Final answer
    x = 20,775.44

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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.