Home / 38,424.16-53,023.69-28,348.97

Finding the Fourth Proportional to 38,424.16, 53,023.69 and 28,348.97

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Solution

The fourth proportional to 38,424.16, 53,023.69 and 28,348.97 is: 39,120.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,424.16 : 53,023.69 = 28,348.97 : x
  2. Step 2: Convert to fraction form
    38,424.16/53,023.69 = 28,348.97/x
  3. Step 3: Cross multiply
    38,424.16x = 53,023.69 × 28,348.97
  4. Step 4: Simplify right side
    38,424.16x = 1,503,166,997.10
  5. Step 5: Solve for x
    x = 1,503,166,997.10/38,424.16
  6. Step 6: Final answer
    x = 39,120.36

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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.