Home / 28,941.64-39,927.62-18,866.39

Finding the Fourth Proportional to 28,941.64, 39,927.62 and 18,866.39

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Solution

The fourth proportional to 28,941.64, 39,927.62 and 18,866.39 is: 26,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.64 : 39,927.62 = 18,866.39 : x
  2. Step 2: Convert to fraction form
    28,941.64/39,927.62 = 18,866.39/x
  3. Step 3: Cross multiply
    28,941.64x = 39,927.62 × 18,866.39
  4. Step 4: Simplify right side
    28,941.64x = 753,289,898.22
  5. Step 5: Solve for x
    x = 753,289,898.22/28,941.64
  6. Step 6: Final answer
    x = 26,027.89

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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.