Home / 38,133.61-57,222.87-15,945.28

Finding the Fourth Proportional to 38,133.61, 57,222.87 and 15,945.28

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Solution

The fourth proportional to 38,133.61, 57,222.87 and 15,945.28 is: 23,927.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,133.61 : 57,222.87 = 15,945.28 : x
  2. Step 2: Convert to fraction form
    38,133.61/57,222.87 = 15,945.28/x
  3. Step 3: Cross multiply
    38,133.61x = 57,222.87 × 15,945.28
  4. Step 4: Simplify right side
    38,133.61x = 912,434,684.55
  5. Step 5: Solve for x
    x = 912,434,684.55/38,133.61
  6. Step 6: Final answer
    x = 23,927.31

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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.