Home / 28,291.81-42,436.64-9,573.25

Finding the Fourth Proportional to 28,291.81, 42,436.64 and 9,573.25

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Solution

The fourth proportional to 28,291.81, 42,436.64 and 9,573.25 is: 14,359.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,291.81 : 42,436.64 = 9,573.25 : x
  2. Step 2: Convert to fraction form
    28,291.81/42,436.64 = 9,573.25/x
  3. Step 3: Cross multiply
    28,291.81x = 42,436.64 × 9,573.25
  4. Step 4: Simplify right side
    28,291.81x = 406,256,516.01
  5. Step 5: Solve for x
    x = 406,256,516.01/28,291.81
  6. Step 6: Final answer
    x = 14,359.51

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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.