Home / 28,588.08-39,465.24-19,043.85

Finding the Fourth Proportional to 28,588.08, 39,465.24 and 19,043.85

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Solution

The fourth proportional to 28,588.08, 39,465.24 and 19,043.85 is: 26,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588.08 : 39,465.24 = 19,043.85 : x
  2. Step 2: Convert to fraction form
    28,588.08/39,465.24 = 19,043.85/x
  3. Step 3: Cross multiply
    28,588.08x = 39,465.24 × 19,043.85
  4. Step 4: Simplify right side
    28,588.08x = 751,570,110.77
  5. Step 5: Solve for x
    x = 751,570,110.77/28,588.08
  6. Step 6: Final answer
    x = 26,289.63

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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.