Home / 27,021.74-40,531.08-7,298.81

Finding the Fourth Proportional to 27,021.74, 40,531.08 and 7,298.81

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Solution

The fourth proportional to 27,021.74, 40,531.08 and 7,298.81 is: 10,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.74 : 40,531.08 = 7,298.81 : x
  2. Step 2: Convert to fraction form
    27,021.74/40,531.08 = 7,298.81/x
  3. Step 3: Cross multiply
    27,021.74x = 40,531.08 × 7,298.81
  4. Step 4: Simplify right side
    27,021.74x = 295,828,652.01
  5. Step 5: Solve for x
    x = 295,828,652.01/27,021.74
  6. Step 6: Final answer
    x = 10,947.80

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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.