Home / 28,915.06-39,903.75-16,340.62

Finding the Fourth Proportional to 28,915.06, 39,903.75 and 16,340.62

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Solution

The fourth proportional to 28,915.06, 39,903.75 and 16,340.62 is: 22,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,915.06 : 39,903.75 = 16,340.62 : x
  2. Step 2: Convert to fraction form
    28,915.06/39,903.75 = 16,340.62/x
  3. Step 3: Cross multiply
    28,915.06x = 39,903.75 × 16,340.62
  4. Step 4: Simplify right side
    28,915.06x = 652,052,015.33
  5. Step 5: Solve for x
    x = 652,052,015.33/28,915.06
  6. Step 6: Final answer
    x = 22,550.60

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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.