Home / 28,868.37-39,835.71-16,929.51

Finding the Fourth Proportional to 28,868.37, 39,835.71 and 16,929.51

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Solution

The fourth proportional to 28,868.37, 39,835.71 and 16,929.51 is: 23,361.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.37 : 39,835.71 = 16,929.51 : x
  2. Step 2: Convert to fraction form
    28,868.37/39,835.71 = 16,929.51/x
  3. Step 3: Cross multiply
    28,868.37x = 39,835.71 × 16,929.51
  4. Step 4: Simplify right side
    28,868.37x = 674,399,050.80
  5. Step 5: Solve for x
    x = 674,399,050.80/28,868.37
  6. Step 6: Final answer
    x = 23,361.18

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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.