Home / 28,918.44-43,406.82-19,528.92

Finding the Fourth Proportional to 28,918.44, 43,406.82 and 19,528.92

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Solution

The fourth proportional to 28,918.44, 43,406.82 and 19,528.92 is: 29,313.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,918.44 : 43,406.82 = 19,528.92 : x
  2. Step 2: Convert to fraction form
    28,918.44/43,406.82 = 19,528.92/x
  3. Step 3: Cross multiply
    28,918.44x = 43,406.82 × 19,528.92
  4. Step 4: Simplify right side
    28,918.44x = 847,688,315.23
  5. Step 5: Solve for x
    x = 847,688,315.23/28,918.44
  6. Step 6: Final answer
    x = 29,313.07

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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.