Home / 27,020.42-37,288.08-15,083.66

Finding the Fourth Proportional to 27,020.42, 37,288.08 and 15,083.66

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Solution

The fourth proportional to 27,020.42, 37,288.08 and 15,083.66 is: 20,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.42 : 37,288.08 = 15,083.66 : x
  2. Step 2: Convert to fraction form
    27,020.42/37,288.08 = 15,083.66/x
  3. Step 3: Cross multiply
    27,020.42x = 37,288.08 × 15,083.66
  4. Step 4: Simplify right side
    27,020.42x = 562,440,720.77
  5. Step 5: Solve for x
    x = 562,440,720.77/27,020.42
  6. Step 6: Final answer
    x = 20,815.40

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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.