Home / 28,185.40-38,816.58-23,426.56

Finding the Fourth Proportional to 28,185.40, 38,816.58 and 23,426.56

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Solution

The fourth proportional to 28,185.40, 38,816.58 and 23,426.56 is: 32,262.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185.40 : 38,816.58 = 23,426.56 : x
  2. Step 2: Convert to fraction form
    28,185.40/38,816.58 = 23,426.56/x
  3. Step 3: Cross multiply
    28,185.40x = 38,816.58 × 23,426.56
  4. Step 4: Simplify right side
    28,185.40x = 909,338,940.36
  5. Step 5: Solve for x
    x = 909,338,940.36/28,185.40
  6. Step 6: Final answer
    x = 32,262.77

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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.