Home / 27,643.67-38,148.26-15,068.42

Finding the Fourth Proportional to 27,643.67, 38,148.26 and 15,068.42

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Solution

The fourth proportional to 27,643.67, 38,148.26 and 15,068.42 is: 20,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,643.67 : 38,148.26 = 15,068.42 : x
  2. Step 2: Convert to fraction form
    27,643.67/38,148.26 = 15,068.42/x
  3. Step 3: Cross multiply
    27,643.67x = 38,148.26 × 15,068.42
  4. Step 4: Simplify right side
    27,643.67x = 574,834,003.95
  5. Step 5: Solve for x
    x = 574,834,003.95/27,643.67
  6. Step 6: Final answer
    x = 20,794.42

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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.