Home / 27,841.22-38,420.41-15,741.50

Finding the Fourth Proportional to 27,841.22, 38,420.41 and 15,741.50

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Solution

The fourth proportional to 27,841.22, 38,420.41 and 15,741.50 is: 21,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,841.22 : 38,420.41 = 15,741.50 : x
  2. Step 2: Convert to fraction form
    27,841.22/38,420.41 = 15,741.50/x
  3. Step 3: Cross multiply
    27,841.22x = 38,420.41 × 15,741.50
  4. Step 4: Simplify right side
    27,841.22x = 604,794,805.31
  5. Step 5: Solve for x
    x = 604,794,805.31/27,841.22
  6. Step 6: Final answer
    x = 21,723.00

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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.