Home / 27,801.24-38,365.79-15,054.57

Finding the Fourth Proportional to 27,801.24, 38,365.79 and 15,054.57

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Solution

The fourth proportional to 27,801.24, 38,365.79 and 15,054.57 is: 20,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,801.24 : 38,365.79 = 15,054.57 : x
  2. Step 2: Convert to fraction form
    27,801.24/38,365.79 = 15,054.57/x
  3. Step 3: Cross multiply
    27,801.24x = 38,365.79 × 15,054.57
  4. Step 4: Simplify right side
    27,801.24x = 577,580,395.89
  5. Step 5: Solve for x
    x = 577,580,395.89/27,801.24
  6. Step 6: Final answer
    x = 20,775.35

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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.