Home / 28,628.64-39,520.98-19,084.41

Finding the Fourth Proportional to 28,628.64, 39,520.98 and 19,084.41

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Solution

The fourth proportional to 28,628.64, 39,520.98 and 19,084.41 is: 26,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,628.64 : 39,520.98 = 19,084.41 : x
  2. Step 2: Convert to fraction form
    28,628.64/39,520.98 = 19,084.41/x
  3. Step 3: Cross multiply
    28,628.64x = 39,520.98 × 19,084.41
  4. Step 4: Simplify right side
    28,628.64x = 754,234,585.92
  5. Step 5: Solve for x
    x = 754,234,585.92/28,628.64
  6. Step 6: Final answer
    x = 26,345.46

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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.