Home / 28,017.06-42,025.79-8,295.79

Finding the Fourth Proportional to 28,017.06, 42,025.79 and 8,295.79

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Solution

The fourth proportional to 28,017.06, 42,025.79 and 8,295.79 is: 12,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,017.06 : 42,025.79 = 8,295.79 : x
  2. Step 2: Convert to fraction form
    28,017.06/42,025.79 = 8,295.79/x
  3. Step 3: Cross multiply
    28,017.06x = 42,025.79 × 8,295.79
  4. Step 4: Simplify right side
    28,017.06x = 348,637,194.43
  5. Step 5: Solve for x
    x = 348,637,194.43/28,017.06
  6. Step 6: Final answer
    x = 12,443.74

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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.