Home / 38,004.92-57,019.69-18,280.91

Finding the Fourth Proportional to 38,004.92, 57,019.69 and 18,280.91

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Solution

The fourth proportional to 38,004.92, 57,019.69 and 18,280.91 is: 27,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,004.92 : 57,019.69 = 18,280.91 : x
  2. Step 2: Convert to fraction form
    38,004.92/57,019.69 = 18,280.91/x
  3. Step 3: Cross multiply
    38,004.92x = 57,019.69 × 18,280.91
  4. Step 4: Simplify right side
    38,004.92x = 1,042,371,729.71
  5. Step 5: Solve for x
    x = 1,042,371,729.71/38,004.92
  6. Step 6: Final answer
    x = 27,427.28

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1.5x scale

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.