Home / 28,629.94-39,483.44-17,875.79

Finding the Fourth Proportional to 28,629.94, 39,483.44 and 17,875.79

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Solution

The fourth proportional to 28,629.94, 39,483.44 and 17,875.79 is: 24,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,629.94 : 39,483.44 = 17,875.79 : x
  2. Step 2: Convert to fraction form
    28,629.94/39,483.44 = 17,875.79/x
  3. Step 3: Cross multiply
    28,629.94x = 39,483.44 × 17,875.79
  4. Step 4: Simplify right side
    28,629.94x = 705,797,516.17
  5. Step 5: Solve for x
    x = 705,797,516.17/28,629.94
  6. Step 6: Final answer
    x = 24,652.42

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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.