Home / 26,580.98-39,878.02-7,860.92

Finding the Fourth Proportional to 26,580.98, 39,878.02 and 7,860.92

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Solution

The fourth proportional to 26,580.98, 39,878.02 and 7,860.92 is: 11,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,580.98 : 39,878.02 = 7,860.92 : x
  2. Step 2: Convert to fraction form
    26,580.98/39,878.02 = 7,860.92/x
  3. Step 3: Cross multiply
    26,580.98x = 39,878.02 × 7,860.92
  4. Step 4: Simplify right side
    26,580.98x = 313,477,924.98
  5. Step 5: Solve for x
    x = 313,477,924.98/26,580.98
  6. Step 6: Final answer
    x = 11,793.32

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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.