Home / 27,983.76-38,602.27-19,472.41

Finding the Fourth Proportional to 27,983.76, 38,602.27 and 19,472.41

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Solution

The fourth proportional to 27,983.76, 38,602.27 and 19,472.41 is: 26,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.76 : 38,602.27 = 19,472.41 : x
  2. Step 2: Convert to fraction form
    27,983.76/38,602.27 = 19,472.41/x
  3. Step 3: Cross multiply
    27,983.76x = 38,602.27 × 19,472.41
  4. Step 4: Simplify right side
    27,983.76x = 751,679,228.37
  5. Step 5: Solve for x
    x = 751,679,228.37/27,983.76
  6. Step 6: Final answer
    x = 26,861.27

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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.