Home / 38,821.18-53,564.18-28,192.36

Finding the Fourth Proportional to 38,821.18, 53,564.18 and 28,192.36

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Solution

The fourth proportional to 38,821.18, 53,564.18 and 28,192.36 is: 38,898.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,821.18 : 53,564.18 = 28,192.36 : x
  2. Step 2: Convert to fraction form
    38,821.18/53,564.18 = 28,192.36/x
  3. Step 3: Cross multiply
    38,821.18x = 53,564.18 × 28,192.36
  4. Step 4: Simplify right side
    38,821.18x = 1,510,100,645.66
  5. Step 5: Solve for x
    x = 1,510,100,645.66/38,821.18
  6. Step 6: Final answer
    x = 38,898.89

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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.