Home / 26,475.65-39,705.07-8,702.21

Finding the Fourth Proportional to 26,475.65, 39,705.07 and 8,702.21

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Solution

The fourth proportional to 26,475.65, 39,705.07 and 8,702.21 is: 13,050.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,475.65 : 39,705.07 = 8,702.21 : x
  2. Step 2: Convert to fraction form
    26,475.65/39,705.07 = 8,702.21/x
  3. Step 3: Cross multiply
    26,475.65x = 39,705.07 × 8,702.21
  4. Step 4: Simplify right side
    26,475.65x = 345,521,951.03
  5. Step 5: Solve for x
    x = 345,521,951.03/26,475.65
  6. Step 6: Final answer
    x = 13,050.55

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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.