Home / 28,935.67-39,938.52-16,367.71

Finding the Fourth Proportional to 28,935.67, 39,938.52 and 16,367.71

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Solution

The fourth proportional to 28,935.67, 39,938.52 and 16,367.71 is: 22,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.67 : 39,938.52 = 16,367.71 : x
  2. Step 2: Convert to fraction form
    28,935.67/39,938.52 = 16,367.71/x
  3. Step 3: Cross multiply
    28,935.67x = 39,938.52 × 16,367.71
  4. Step 4: Simplify right side
    28,935.67x = 653,702,113.19
  5. Step 5: Solve for x
    x = 653,702,113.19/28,935.67
  6. Step 6: Final answer
    x = 22,591.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.