Home / 28,931.63-43,081.29-27,867.56

Finding the Fourth Proportional to 28,931.63, 43,081.29 and 27,867.56

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Solution

The fourth proportional to 28,931.63, 43,081.29 and 27,867.56 is: 41,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931.63 : 43,081.29 = 27,867.56 : x
  2. Step 2: Convert to fraction form
    28,931.63/43,081.29 = 27,867.56/x
  3. Step 3: Cross multiply
    28,931.63x = 43,081.29 × 27,867.56
  4. Step 4: Simplify right side
    28,931.63x = 1,200,570,218.55
  5. Step 5: Solve for x
    x = 1,200,570,218.55/28,931.63
  6. Step 6: Final answer
    x = 41,496.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.