Home / 38,382.84-57,570.21-10,305.81

Finding the Fourth Proportional to 38,382.84, 57,570.21 and 10,305.81

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Solution

The fourth proportional to 38,382.84, 57,570.21 and 10,305.81 is: 15,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,382.84 : 57,570.21 = 10,305.81 : x
  2. Step 2: Convert to fraction form
    38,382.84/57,570.21 = 10,305.81/x
  3. Step 3: Cross multiply
    38,382.84x = 57,570.21 × 10,305.81
  4. Step 4: Simplify right side
    38,382.84x = 593,307,645.92
  5. Step 5: Solve for x
    x = 593,307,645.92/38,382.84
  6. Step 6: Final answer
    x = 15,457.63

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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.