Home / 27,328.43-37,706.54-18,235.91

Finding the Fourth Proportional to 27,328.43, 37,706.54 and 18,235.91

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Solution

The fourth proportional to 27,328.43, 37,706.54 and 18,235.91 is: 25,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,328.43 : 37,706.54 = 18,235.91 : x
  2. Step 2: Convert to fraction form
    27,328.43/37,706.54 = 18,235.91/x
  3. Step 3: Cross multiply
    27,328.43x = 37,706.54 × 18,235.91
  4. Step 4: Simplify right side
    27,328.43x = 687,612,790.14
  5. Step 5: Solve for x
    x = 687,612,790.14/27,328.43
  6. Step 6: Final answer
    x = 25,161.08

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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.