Home / 38,652.33-53,339.25-21,657.28

Finding the Fourth Proportional to 38,652.33, 53,339.25 and 21,657.28

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Solution

The fourth proportional to 38,652.33, 53,339.25 and 21,657.28 is: 29,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,652.33 : 53,339.25 = 21,657.28 : x
  2. Step 2: Convert to fraction form
    38,652.33/53,339.25 = 21,657.28/x
  3. Step 3: Cross multiply
    38,652.33x = 53,339.25 × 21,657.28
  4. Step 4: Simplify right side
    38,652.33x = 1,155,183,072.24
  5. Step 5: Solve for x
    x = 1,155,183,072.24/38,652.33
  6. Step 6: Final answer
    x = 29,886.51

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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.