Home / 27,991.23-41,985.41-10,459.68

Finding the Fourth Proportional to 27,991.23, 41,985.41 and 10,459.68

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Solution

The fourth proportional to 27,991.23, 41,985.41 and 10,459.68 is: 15,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,991.23 : 41,985.41 = 10,459.68 : x
  2. Step 2: Convert to fraction form
    27,991.23/41,985.41 = 10,459.68/x
  3. Step 3: Cross multiply
    27,991.23x = 41,985.41 × 10,459.68
  4. Step 4: Simplify right side
    27,991.23x = 439,153,900.97
  5. Step 5: Solve for x
    x = 439,153,900.97/27,991.23
  6. Step 6: Final answer
    x = 15,688.98

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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.