Home / 26,725.84-40,077.80-7,999.28

Finding the Fourth Proportional to 26,725.84, 40,077.80 and 7,999.28

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Solution

The fourth proportional to 26,725.84, 40,077.80 and 7,999.28 is: 11,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,725.84 : 40,077.80 = 7,999.28 : x
  2. Step 2: Convert to fraction form
    26,725.84/40,077.80 = 7,999.28/x
  3. Step 3: Cross multiply
    26,725.84x = 40,077.80 × 7,999.28
  4. Step 4: Simplify right side
    26,725.84x = 320,593,543.98
  5. Step 5: Solve for x
    x = 320,593,543.98/26,725.84
  6. Step 6: Final answer
    x = 11,995.64

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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.