Home / 28,050.18-38,708.73-15,474.66

Finding the Fourth Proportional to 28,050.18, 38,708.73 and 15,474.66

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Solution

The fourth proportional to 28,050.18, 38,708.73 and 15,474.66 is: 21,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.18 : 38,708.73 = 15,474.66 : x
  2. Step 2: Convert to fraction form
    28,050.18/38,708.73 = 15,474.66/x
  3. Step 3: Cross multiply
    28,050.18x = 38,708.73 × 15,474.66
  4. Step 4: Simplify right side
    28,050.18x = 599,004,435.78
  5. Step 5: Solve for x
    x = 599,004,435.78/28,050.18
  6. Step 6: Final answer
    x = 21,354.74

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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.