Home / 27,569.84-41,339.08-18,815.36

Finding the Fourth Proportional to 27,569.84, 41,339.08 and 18,815.36

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Solution

The fourth proportional to 27,569.84, 41,339.08 and 18,815.36 is: 28,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,569.84 : 41,339.08 = 18,815.36 : x
  2. Step 2: Convert to fraction form
    27,569.84/41,339.08 = 18,815.36/x
  3. Step 3: Cross multiply
    27,569.84x = 41,339.08 × 18,815.36
  4. Step 4: Simplify right side
    27,569.84x = 777,809,672.27
  5. Step 5: Solve for x
    x = 777,809,672.27/27,569.84
  6. Step 6: Final answer
    x = 28,212.34

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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.