Home / 26,926.48-40,367.04-12,878.56

Finding the Fourth Proportional to 26,926.48, 40,367.04 and 12,878.56

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Solution

The fourth proportional to 26,926.48, 40,367.04 and 12,878.56 is: 19,306.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,926.48 : 40,367.04 = 12,878.56 : x
  2. Step 2: Convert to fraction form
    26,926.48/40,367.04 = 12,878.56/x
  3. Step 3: Cross multiply
    26,926.48x = 40,367.04 × 12,878.56
  4. Step 4: Simplify right side
    26,926.48x = 519,869,346.66
  5. Step 5: Solve for x
    x = 519,869,346.66/26,926.48
  6. Step 6: Final answer
    x = 19,306.99

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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.