Home / 40,273.38-55,557.98-28,343.34

Finding the Fourth Proportional to 40,273.38, 55,557.98 and 28,343.34

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Solution

The fourth proportional to 40,273.38, 55,557.98 and 28,343.34 is: 39,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,273.38 : 55,557.98 = 28,343.34 : x
  2. Step 2: Convert to fraction form
    40,273.38/55,557.98 = 28,343.34/x
  3. Step 3: Cross multiply
    40,273.38x = 55,557.98 × 28,343.34
  4. Step 4: Simplify right side
    40,273.38x = 1,574,698,716.85
  5. Step 5: Solve for x
    x = 1,574,698,716.85/40,273.38
  6. Step 6: Final answer
    x = 39,100.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.