Home / 28,680.36-39,574.62-16,102.68

Finding the Fourth Proportional to 28,680.36, 39,574.62 and 16,102.68

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Solution

The fourth proportional to 28,680.36, 39,574.62 and 16,102.68 is: 22,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,680.36 : 39,574.62 = 16,102.68 : x
  2. Step 2: Convert to fraction form
    28,680.36/39,574.62 = 16,102.68/x
  3. Step 3: Cross multiply
    28,680.36x = 39,574.62 × 16,102.68
  4. Step 4: Simplify right side
    28,680.36x = 637,257,441.98
  5. Step 5: Solve for x
    x = 637,257,441.98/28,680.36
  6. Step 6: Final answer
    x = 22,219.30

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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.