Home / 28,881.63-39,834.59-19,944.09

Finding the Fourth Proportional to 28,881.63, 39,834.59 and 19,944.09

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Solution

The fourth proportional to 28,881.63, 39,834.59 and 19,944.09 is: 27,507.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881.63 : 39,834.59 = 19,944.09 : x
  2. Step 2: Convert to fraction form
    28,881.63/39,834.59 = 19,944.09/x
  3. Step 3: Cross multiply
    28,881.63x = 39,834.59 × 19,944.09
  4. Step 4: Simplify right side
    28,881.63x = 794,464,548.35
  5. Step 5: Solve for x
    x = 794,464,548.35/28,881.63
  6. Step 6: Final answer
    x = 27,507.61

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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.