Home / 27,386.15-37,758.64-22,855.35

Finding the Fourth Proportional to 27,386.15, 37,758.64 and 22,855.35

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Solution

The fourth proportional to 27,386.15, 37,758.64 and 22,855.35 is: 31,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,386.15 : 37,758.64 = 22,855.35 : x
  2. Step 2: Convert to fraction form
    27,386.15/37,758.64 = 22,855.35/x
  3. Step 3: Cross multiply
    27,386.15x = 37,758.64 × 22,855.35
  4. Step 4: Simplify right side
    27,386.15x = 862,986,629.65
  5. Step 5: Solve for x
    x = 862,986,629.65/27,386.15
  6. Step 6: Final answer
    x = 31,511.80

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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.