Home / 19,282.86-28,716.93-18,626.76

Finding the Fourth Proportional to 19,282.86, 28,716.93 and 18,626.76

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Solution

The fourth proportional to 19,282.86, 28,716.93 and 18,626.76 is: 27,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.86 : 28,716.93 = 18,626.76 : x
  2. Step 2: Convert to fraction form
    19,282.86/28,716.93 = 18,626.76/x
  3. Step 3: Cross multiply
    19,282.86x = 28,716.93 × 18,626.76
  4. Step 4: Simplify right side
    19,282.86x = 534,903,363.05
  5. Step 5: Solve for x
    x = 534,903,363.05/19,282.86
  6. Step 6: Final answer
    x = 27,739.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.