Home / 28,360.83-42,541.26-11,702.56

Finding the Fourth Proportional to 28,360.83, 42,541.26 and 11,702.56

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Solution

The fourth proportional to 28,360.83, 42,541.26 and 11,702.56 is: 17,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360.83 : 42,541.26 = 11,702.56 : x
  2. Step 2: Convert to fraction form
    28,360.83/42,541.26 = 11,702.56/x
  3. Step 3: Cross multiply
    28,360.83x = 42,541.26 × 11,702.56
  4. Step 4: Simplify right side
    28,360.83x = 497,841,647.63
  5. Step 5: Solve for x
    x = 497,841,647.63/28,360.83
  6. Step 6: Final answer
    x = 17,553.85

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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.