Home / 27,726.00-38,248.50-18,161.72

Finding the Fourth Proportional to 27,726.00, 38,248.50 and 18,161.72

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Solution

The fourth proportional to 27,726.00, 38,248.50 and 18,161.72 is: 25,054.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,726.00 : 38,248.50 = 18,161.72 : x
  2. Step 2: Convert to fraction form
    27,726.00/38,248.50 = 18,161.72/x
  3. Step 3: Cross multiply
    27,726.00x = 38,248.50 × 18,161.72
  4. Step 4: Simplify right side
    27,726.00x = 694,658,567.72
  5. Step 5: Solve for x
    x = 694,658,567.72/27,726.00
  6. Step 6: Final answer
    x = 25,054.41

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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.