Home / 28,768.18-43,155.51-9,041.44

Finding the Fourth Proportional to 28,768.18, 43,155.51 and 9,041.44

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Solution

The fourth proportional to 28,768.18, 43,155.51 and 9,041.44 is: 13,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768.18 : 43,155.51 = 9,041.44 : x
  2. Step 2: Convert to fraction form
    28,768.18/43,155.51 = 9,041.44/x
  3. Step 3: Cross multiply
    28,768.18x = 43,155.51 × 9,041.44
  4. Step 4: Simplify right side
    28,768.18x = 390,187,954.33
  5. Step 5: Solve for x
    x = 390,187,954.33/28,768.18
  6. Step 6: Final answer
    x = 13,563.18

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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.