Home / 38,377.08-57,526.74-18,639

Finding the Fourth Proportional to 38,377.08, 57,526.74 and 18,639

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Solution

The fourth proportional to 38,377.08, 57,526.74 and 18,639 is: 27,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,377.08 : 57,526.74 = 18,639 : x
  2. Step 2: Convert to fraction form
    38,377.08/57,526.74 = 18,639/x
  3. Step 3: Cross multiply
    38,377.08x = 57,526.74 × 18,639
  4. Step 4: Simplify right side
    38,377.08x = 1,072,240,906.86
  5. Step 5: Solve for x
    x = 1,072,240,906.86/38,377.08
  6. Step 6: Final answer
    x = 27,939.62

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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.