Home / 28,483.94-39,295.77-19,055.54

Finding the Fourth Proportional to 28,483.94, 39,295.77 and 19,055.54

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Solution

The fourth proportional to 28,483.94, 39,295.77 and 19,055.54 is: 26,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,483.94 : 39,295.77 = 19,055.54 : x
  2. Step 2: Convert to fraction form
    28,483.94/39,295.77 = 19,055.54/x
  3. Step 3: Cross multiply
    28,483.94x = 39,295.77 × 19,055.54
  4. Step 4: Simplify right side
    28,483.94x = 748,801,920.59
  5. Step 5: Solve for x
    x = 748,801,920.59/28,483.94
  6. Step 6: Final answer
    x = 26,288.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.