Home / 28,621.04-39,499.54-16,684.13

Finding the Fourth Proportional to 28,621.04, 39,499.54 and 16,684.13

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Solution

The fourth proportional to 28,621.04, 39,499.54 and 16,684.13 is: 23,025.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,621.04 : 39,499.54 = 16,684.13 : x
  2. Step 2: Convert to fraction form
    28,621.04/39,499.54 = 16,684.13/x
  3. Step 3: Cross multiply
    28,621.04x = 39,499.54 × 16,684.13
  4. Step 4: Simplify right side
    28,621.04x = 659,015,460.30
  5. Step 5: Solve for x
    x = 659,015,460.30/28,621.04
  6. Step 6: Final answer
    x = 23,025.56

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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.