Home / 27,898.77-38,512.08-18,836.41

Finding the Fourth Proportional to 27,898.77, 38,512.08 and 18,836.41

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Solution

The fourth proportional to 27,898.77, 38,512.08 and 18,836.41 is: 26,002.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,898.77 : 38,512.08 = 18,836.41 : x
  2. Step 2: Convert to fraction form
    27,898.77/38,512.08 = 18,836.41/x
  3. Step 3: Cross multiply
    27,898.77x = 38,512.08 × 18,836.41
  4. Step 4: Simplify right side
    27,898.77x = 725,429,138.37
  5. Step 5: Solve for x
    x = 725,429,138.37/27,898.77
  6. Step 6: Final answer
    x = 26,002.19

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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.