Home / 26,481.40-39,663.76-16,071.28

Finding the Fourth Proportional to 26,481.40, 39,663.76 and 16,071.28

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Solution

The fourth proportional to 26,481.40, 39,663.76 and 16,071.28 is: 24,071.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,481.40 : 39,663.76 = 16,071.28 : x
  2. Step 2: Convert to fraction form
    26,481.40/39,663.76 = 16,071.28/x
  3. Step 3: Cross multiply
    26,481.40x = 39,663.76 × 16,071.28
  4. Step 4: Simplify right side
    26,481.40x = 637,447,392.81
  5. Step 5: Solve for x
    x = 637,447,392.81/26,481.40
  6. Step 6: Final answer
    x = 24,071.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.