Home / 38,262.78-52,801.77-22,128.87

Finding the Fourth Proportional to 38,262.78, 52,801.77 and 22,128.87

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Solution

The fourth proportional to 38,262.78, 52,801.77 and 22,128.87 is: 30,537.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,262.78 : 52,801.77 = 22,128.87 : x
  2. Step 2: Convert to fraction form
    38,262.78/52,801.77 = 22,128.87/x
  3. Step 3: Cross multiply
    38,262.78x = 52,801.77 × 22,128.87
  4. Step 4: Simplify right side
    38,262.78x = 1,168,443,504.10
  5. Step 5: Solve for x
    x = 1,168,443,504.10/38,262.78
  6. Step 6: Final answer
    x = 30,537.34

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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.