Home / 27,368.51-37,785.78-20,983.26

Finding the Fourth Proportional to 27,368.51, 37,785.78 and 20,983.26

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Solution

The fourth proportional to 27,368.51, 37,785.78 and 20,983.26 is: 28,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,368.51 : 37,785.78 = 20,983.26 : x
  2. Step 2: Convert to fraction form
    27,368.51/37,785.78 = 20,983.26/x
  3. Step 3: Cross multiply
    27,368.51x = 37,785.78 × 20,983.26
  4. Step 4: Simplify right side
    27,368.51x = 792,868,741.13
  5. Step 5: Solve for x
    x = 792,868,741.13/27,368.51
  6. Step 6: Final answer
    x = 28,970.12

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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.