Home / 27,368.26-37,785.43-20,983.01

Finding the Fourth Proportional to 27,368.26, 37,785.43 and 20,983.01

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Solution

The fourth proportional to 27,368.26, 37,785.43 and 20,983.01 is: 28,969.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,368.26 : 37,785.43 = 20,983.01 : x
  2. Step 2: Convert to fraction form
    27,368.26/37,785.43 = 20,983.01/x
  3. Step 3: Cross multiply
    27,368.26x = 37,785.43 × 20,983.01
  4. Step 4: Simplify right side
    27,368.26x = 792,852,013.54
  5. Step 5: Solve for x
    x = 792,852,013.54/27,368.26
  6. Step 6: Final answer
    x = 28,969.77

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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.