Home / 27,448.29-37,883.16-20,723.40

Finding the Fourth Proportional to 27,448.29, 37,883.16 and 20,723.40

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Solution

The fourth proportional to 27,448.29, 37,883.16 and 20,723.40 is: 28,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,448.29 : 37,883.16 = 20,723.40 : x
  2. Step 2: Convert to fraction form
    27,448.29/37,883.16 = 20,723.40/x
  3. Step 3: Cross multiply
    27,448.29x = 37,883.16 × 20,723.40
  4. Step 4: Simplify right side
    27,448.29x = 785,067,877.94
  5. Step 5: Solve for x
    x = 785,067,877.94/27,448.29
  6. Step 6: Final answer
    x = 28,601.70

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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.