Home / 26,390.44-39,590.46-8,860.36

Finding the Fourth Proportional to 26,390.44, 39,590.46 and 8,860.36

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Solution

The fourth proportional to 26,390.44, 39,590.46 and 8,860.36 is: 13,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.44 : 39,590.46 = 8,860.36 : x
  2. Step 2: Convert to fraction form
    26,390.44/39,590.46 = 8,860.36/x
  3. Step 3: Cross multiply
    26,390.44x = 39,590.46 × 8,860.36
  4. Step 4: Simplify right side
    26,390.44x = 350,785,728.17
  5. Step 5: Solve for x
    x = 350,785,728.17/26,390.44
  6. Step 6: Final answer
    x = 13,292.15

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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.