Home / 28,718.24-43,081.99-10,003.68

Finding the Fourth Proportional to 28,718.24, 43,081.99 and 10,003.68

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Solution

The fourth proportional to 28,718.24, 43,081.99 and 10,003.68 is: 15,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,718.24 : 43,081.99 = 10,003.68 : x
  2. Step 2: Convert to fraction form
    28,718.24/43,081.99 = 10,003.68/x
  3. Step 3: Cross multiply
    28,718.24x = 43,081.99 × 10,003.68
  4. Step 4: Simplify right side
    28,718.24x = 430,978,416.71
  5. Step 5: Solve for x
    x = 430,978,416.71/28,718.24
  6. Step 6: Final answer
    x = 15,007.13

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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.