Home / 28,323.15-39,084.44-16,386.68

Finding the Fourth Proportional to 28,323.15, 39,084.44 and 16,386.68

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Solution

The fourth proportional to 28,323.15, 39,084.44 and 16,386.68 is: 22,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323.15 : 39,084.44 = 16,386.68 : x
  2. Step 2: Convert to fraction form
    28,323.15/39,084.44 = 16,386.68/x
  3. Step 3: Cross multiply
    28,323.15x = 39,084.44 × 16,386.68
  4. Step 4: Simplify right side
    28,323.15x = 640,464,211.26
  5. Step 5: Solve for x
    x = 640,464,211.26/28,323.15
  6. Step 6: Final answer
    x = 22,612.75

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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.