Home / 28,935.57-43,408.77-13,141.71

Finding the Fourth Proportional to 28,935.57, 43,408.77 and 13,141.71

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Solution

The fourth proportional to 28,935.57, 43,408.77 and 13,141.71 is: 19,715.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.57 : 43,408.77 = 13,141.71 : x
  2. Step 2: Convert to fraction form
    28,935.57/43,408.77 = 13,141.71/x
  3. Step 3: Cross multiply
    28,935.57x = 43,408.77 × 13,141.71
  4. Step 4: Simplify right side
    28,935.57x = 570,465,466.80
  5. Step 5: Solve for x
    x = 570,465,466.80/28,935.57
  6. Step 6: Final answer
    x = 19,715.02

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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.