Home / 27,061.60-40,564.86-18,297.40

Finding the Fourth Proportional to 27,061.60, 40,564.86 and 18,297.40

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Solution

The fourth proportional to 27,061.60, 40,564.86 and 18,297.40 is: 27,427.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,061.60 : 40,564.86 = 18,297.40 : x
  2. Step 2: Convert to fraction form
    27,061.60/40,564.86 = 18,297.40/x
  3. Step 3: Cross multiply
    27,061.60x = 40,564.86 × 18,297.40
  4. Step 4: Simplify right side
    27,061.60x = 742,231,469.36
  5. Step 5: Solve for x
    x = 742,231,469.36/27,061.60
  6. Step 6: Final answer
    x = 27,427.48

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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.