Home / 28,960.29-43,439.85-9,238.59

Finding the Fourth Proportional to 28,960.29, 43,439.85 and 9,238.59

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Solution

The fourth proportional to 28,960.29, 43,439.85 and 9,238.59 is: 13,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,960.29 : 43,439.85 = 9,238.59 : x
  2. Step 2: Convert to fraction form
    28,960.29/43,439.85 = 9,238.59/x
  3. Step 3: Cross multiply
    28,960.29x = 43,439.85 × 9,238.59
  4. Step 4: Simplify right side
    28,960.29x = 401,322,963.81
  5. Step 5: Solve for x
    x = 401,322,963.81/28,960.29
  6. Step 6: Final answer
    x = 13,857.70

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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.