Home / 28,033.69-42,057.63-9,313.83

Finding the Fourth Proportional to 28,033.69, 42,057.63 and 9,313.83

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Solution

The fourth proportional to 28,033.69, 42,057.63 and 9,313.83 is: 13,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033.69 : 42,057.63 = 9,313.83 : x
  2. Step 2: Convert to fraction form
    28,033.69/42,057.63 = 9,313.83/x
  3. Step 3: Cross multiply
    28,033.69x = 42,057.63 × 9,313.83
  4. Step 4: Simplify right side
    28,033.69x = 391,717,471.54
  5. Step 5: Solve for x
    x = 391,717,471.54/28,033.69
  6. Step 6: Final answer
    x = 13,973.10

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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.