Home / 27,800.88-38,365.36-16,469.76

Finding the Fourth Proportional to 27,800.88, 38,365.36 and 16,469.76

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Solution

The fourth proportional to 27,800.88, 38,365.36 and 16,469.76 is: 22,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,800.88 : 38,365.36 = 16,469.76 : x
  2. Step 2: Convert to fraction form
    27,800.88/38,365.36 = 16,469.76/x
  3. Step 3: Cross multiply
    27,800.88x = 38,365.36 × 16,469.76
  4. Step 4: Simplify right side
    27,800.88x = 631,868,271.51
  5. Step 5: Solve for x
    x = 631,868,271.51/27,800.88
  6. Step 6: Final answer
    x = 22,728.36

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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.