Home / 28,867.49-43,268.21-13,048.65

Finding the Fourth Proportional to 28,867.49, 43,268.21 and 13,048.65

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Solution

The fourth proportional to 28,867.49, 43,268.21 and 13,048.65 is: 19,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.49 : 43,268.21 = 13,048.65 : x
  2. Step 2: Convert to fraction form
    28,867.49/43,268.21 = 13,048.65/x
  3. Step 3: Cross multiply
    28,867.49x = 43,268.21 × 13,048.65
  4. Step 4: Simplify right side
    28,867.49x = 564,591,728.42
  5. Step 5: Solve for x
    x = 564,591,728.42/28,867.49
  6. Step 6: Final answer
    x = 19,558.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.