Home / 26,470.74-39,710.97-8,702.40

Finding the Fourth Proportional to 26,470.74, 39,710.97 and 8,702.40

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Solution

The fourth proportional to 26,470.74, 39,710.97 and 8,702.40 is: 13,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,470.74 : 39,710.97 = 8,702.40 : x
  2. Step 2: Convert to fraction form
    26,470.74/39,710.97 = 8,702.40/x
  3. Step 3: Cross multiply
    26,470.74x = 39,710.97 × 8,702.40
  4. Step 4: Simplify right side
    26,470.74x = 345,580,745.33
  5. Step 5: Solve for x
    x = 345,580,745.33/26,470.74
  6. Step 6: Final answer
    x = 13,055.20

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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.