Home / 27,888.19-41,838.88-9,168.28

Finding the Fourth Proportional to 27,888.19, 41,838.88 and 9,168.28

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Solution

The fourth proportional to 27,888.19, 41,838.88 and 9,168.28 is: 13,754.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.19 : 41,838.88 = 9,168.28 : x
  2. Step 2: Convert to fraction form
    27,888.19/41,838.88 = 9,168.28/x
  3. Step 3: Cross multiply
    27,888.19x = 41,838.88 × 9,168.28
  4. Step 4: Simplify right side
    27,888.19x = 383,590,566.73
  5. Step 5: Solve for x
    x = 383,590,566.73/27,888.19
  6. Step 6: Final answer
    x = 13,754.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.