Home / 26,078.40-39,029.76-23,920.32

Finding the Fourth Proportional to 26,078.40, 39,029.76 and 23,920.32

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Solution

The fourth proportional to 26,078.40, 39,029.76 and 23,920.32 is: 35,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.40 : 39,029.76 = 23,920.32 : x
  2. Step 2: Convert to fraction form
    26,078.40/39,029.76 = 23,920.32/x
  3. Step 3: Cross multiply
    26,078.40x = 39,029.76 × 23,920.32
  4. Step 4: Simplify right side
    26,078.40x = 933,604,348.72
  5. Step 5: Solve for x
    x = 933,604,348.72/26,078.40
  6. Step 6: Final answer
    x = 35,799.91

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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.