Home / 38,826.57-53,448.44-28,735.99

Finding the Fourth Proportional to 38,826.57, 53,448.44 and 28,735.99

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Solution

The fourth proportional to 38,826.57, 53,448.44 and 28,735.99 is: 39,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,826.57 : 53,448.44 = 28,735.99 : x
  2. Step 2: Convert to fraction form
    38,826.57/53,448.44 = 28,735.99/x
  3. Step 3: Cross multiply
    38,826.57x = 53,448.44 × 28,735.99
  4. Step 4: Simplify right side
    38,826.57x = 1,535,893,760.49
  5. Step 5: Solve for x
    x = 1,535,893,760.49/38,826.57
  6. Step 6: Final answer
    x = 39,557.81

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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.