Home / 38,826.69-53,448.61-28,736.12

Finding the Fourth Proportional to 38,826.69, 53,448.61 and 28,736.12

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Solution

The fourth proportional to 38,826.69, 53,448.61 and 28,736.12 is: 39,557.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,826.69 : 53,448.61 = 28,736.12 : x
  2. Step 2: Convert to fraction form
    38,826.69/53,448.61 = 28,736.12/x
  3. Step 3: Cross multiply
    38,826.69x = 53,448.61 × 28,736.12
  4. Step 4: Simplify right side
    38,826.69x = 1,535,905,259.87
  5. Step 5: Solve for x
    x = 1,535,905,259.87/38,826.69
  6. Step 6: Final answer
    x = 39,557.98

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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.