Home / 28,857.51-43,288.73-10,135.92

Finding the Fourth Proportional to 28,857.51, 43,288.73 and 10,135.92

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Solution

The fourth proportional to 28,857.51, 43,288.73 and 10,135.92 is: 15,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.51 : 43,288.73 = 10,135.92 : x
  2. Step 2: Convert to fraction form
    28,857.51/43,288.73 = 10,135.92/x
  3. Step 3: Cross multiply
    28,857.51x = 43,288.73 × 10,135.92
  4. Step 4: Simplify right side
    28,857.51x = 438,770,913.08
  5. Step 5: Solve for x
    x = 438,770,913.08/28,857.51
  6. Step 6: Final answer
    x = 15,204.74

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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.