Home / 27,317.66-37,705.92-15,989.54

Finding the Fourth Proportional to 27,317.66, 37,705.92 and 15,989.54

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Solution

The fourth proportional to 27,317.66, 37,705.92 and 15,989.54 is: 22,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317.66 : 37,705.92 = 15,989.54 : x
  2. Step 2: Convert to fraction form
    27,317.66/37,705.92 = 15,989.54/x
  3. Step 3: Cross multiply
    27,317.66x = 37,705.92 × 15,989.54
  4. Step 4: Simplify right side
    27,317.66x = 602,900,316.08
  5. Step 5: Solve for x
    x = 602,900,316.08/27,317.66
  6. Step 6: Final answer
    x = 22,069.98

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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.