Home / 40,266.72-55,565.28-22,361.28

Finding the Fourth Proportional to 40,266.72, 55,565.28 and 22,361.28

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Solution

The fourth proportional to 40,266.72, 55,565.28 and 22,361.28 is: 30,857.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,266.72 : 55,565.28 = 22,361.28 : x
  2. Step 2: Convert to fraction form
    40,266.72/55,565.28 = 22,361.28/x
  3. Step 3: Cross multiply
    40,266.72x = 55,565.28 × 22,361.28
  4. Step 4: Simplify right side
    40,266.72x = 1,242,510,784.36
  5. Step 5: Solve for x
    x = 1,242,510,784.36/40,266.72
  6. Step 6: Final answer
    x = 30,857.02

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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.