Home / 28,050.56-38,707.08-15,474.50

Finding the Fourth Proportional to 28,050.56, 38,707.08 and 15,474.50

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Solution

The fourth proportional to 28,050.56, 38,707.08 and 15,474.50 is: 21,353.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.56 : 38,707.08 = 15,474.50 : x
  2. Step 2: Convert to fraction form
    28,050.56/38,707.08 = 15,474.50/x
  3. Step 3: Cross multiply
    28,050.56x = 38,707.08 × 15,474.50
  4. Step 4: Simplify right side
    28,050.56x = 598,972,515.92
  5. Step 5: Solve for x
    x = 598,972,515.92/28,050.56
  6. Step 6: Final answer
    x = 21,353.32

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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.