Home / 28,527.20-39,368.61-15,951.92

Finding the Fourth Proportional to 28,527.20, 39,368.61 and 15,951.92

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Solution

The fourth proportional to 28,527.20, 39,368.61 and 15,951.92 is: 22,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527.20 : 39,368.61 = 15,951.92 : x
  2. Step 2: Convert to fraction form
    28,527.20/39,368.61 = 15,951.92/x
  3. Step 3: Cross multiply
    28,527.20x = 39,368.61 × 15,951.92
  4. Step 4: Simplify right side
    28,527.20x = 628,004,917.23
  5. Step 5: Solve for x
    x = 628,004,917.23/28,527.20
  6. Step 6: Final answer
    x = 22,014.25

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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.