Home / 40,128.94-55,327.56-25,763.38

Finding the Fourth Proportional to 40,128.94, 55,327.56 and 25,763.38

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Solution

The fourth proportional to 40,128.94, 55,327.56 and 25,763.38 is: 35,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128.94 : 55,327.56 = 25,763.38 : x
  2. Step 2: Convert to fraction form
    40,128.94/55,327.56 = 25,763.38/x
  3. Step 3: Cross multiply
    40,128.94x = 55,327.56 × 25,763.38
  4. Step 4: Simplify right side
    40,128.94x = 1,425,424,952.75
  5. Step 5: Solve for x
    x = 1,425,424,952.75/40,128.94
  6. Step 6: Final answer
    x = 35,521.12

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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.