Home / 27,808.88-38,376.27-15,233.63

Finding the Fourth Proportional to 27,808.88, 38,376.27 and 15,233.63

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Solution

The fourth proportional to 27,808.88, 38,376.27 and 15,233.63 is: 21,022.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808.88 : 38,376.27 = 15,233.63 : x
  2. Step 2: Convert to fraction form
    27,808.88/38,376.27 = 15,233.63/x
  3. Step 3: Cross multiply
    27,808.88x = 38,376.27 × 15,233.63
  4. Step 4: Simplify right side
    27,808.88x = 584,609,706.08
  5. Step 5: Solve for x
    x = 584,609,706.08/27,808.88
  6. Step 6: Final answer
    x = 21,022.41

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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.