Home / 28,838.70-39,797.40-16,263.42

Finding the Fourth Proportional to 28,838.70, 39,797.40 and 16,263.42

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Solution

The fourth proportional to 28,838.70, 39,797.40 and 16,263.42 is: 22,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.70 : 39,797.40 = 16,263.42 : x
  2. Step 2: Convert to fraction form
    28,838.70/39,797.40 = 16,263.42/x
  3. Step 3: Cross multiply
    28,838.70x = 39,797.40 × 16,263.42
  4. Step 4: Simplify right side
    28,838.70x = 647,241,831.11
  5. Step 5: Solve for x
    x = 647,241,831.11/28,838.70
  6. Step 6: Final answer
    x = 22,443.52

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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.