Home / 27,131.16-37,443.06-15,647.93

Finding the Fourth Proportional to 27,131.16, 37,443.06 and 15,647.93

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Solution

The fourth proportional to 27,131.16, 37,443.06 and 15,647.93 is: 21,595.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.16 : 37,443.06 = 15,647.93 : x
  2. Step 2: Convert to fraction form
    27,131.16/37,443.06 = 15,647.93/x
  3. Step 3: Cross multiply
    27,131.16x = 37,443.06 × 15,647.93
  4. Step 4: Simplify right side
    27,131.16x = 585,906,194.65
  5. Step 5: Solve for x
    x = 585,906,194.65/27,131.16
  6. Step 6: Final answer
    x = 21,595.32

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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.