Home / 20,323.09-28,048.44-12,364.84

Finding the Fourth Proportional to 20,323.09, 28,048.44 and 12,364.84

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Solution

The fourth proportional to 20,323.09, 28,048.44 and 12,364.84 is: 17,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.09 : 28,048.44 = 12,364.84 : x
  2. Step 2: Convert to fraction form
    20,323.09/28,048.44 = 12,364.84/x
  3. Step 3: Cross multiply
    20,323.09x = 28,048.44 × 12,364.84
  4. Step 4: Simplify right side
    20,323.09x = 346,814,472.85
  5. Step 5: Solve for x
    x = 346,814,472.85/20,323.09
  6. Step 6: Final answer
    x = 17,065.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.