Home / 38,577.96-57,897.72-15,220.80

Finding the Fourth Proportional to 38,577.96, 57,897.72 and 15,220.80

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Solution

The fourth proportional to 38,577.96, 57,897.72 and 15,220.80 is: 22,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,577.96 : 57,897.72 = 15,220.80 : x
  2. Step 2: Convert to fraction form
    38,577.96/57,897.72 = 15,220.80/x
  3. Step 3: Cross multiply
    38,577.96x = 57,897.72 × 15,220.80
  4. Step 4: Simplify right side
    38,577.96x = 881,249,616.58
  5. Step 5: Solve for x
    x = 881,249,616.58/38,577.96
  6. Step 6: Final answer
    x = 22,843.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.