Home / 27,021.81-40,532.67-22,395.09

Finding the Fourth Proportional to 27,021.81, 40,532.67 and 22,395.09

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Solution

The fourth proportional to 27,021.81, 40,532.67 and 22,395.09 is: 33,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.81 : 40,532.67 = 22,395.09 : x
  2. Step 2: Convert to fraction form
    27,021.81/40,532.67 = 22,395.09/x
  3. Step 3: Cross multiply
    27,021.81x = 40,532.67 × 22,395.09
  4. Step 4: Simplify right side
    27,021.81x = 907,732,792.59
  5. Step 5: Solve for x
    x = 907,732,792.59/27,021.81
  6. Step 6: Final answer
    x = 33,592.60

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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.