Home / 28,956.81-40,036.65-25,361.46

Finding the Fourth Proportional to 28,956.81, 40,036.65 and 25,361.46

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Solution

The fourth proportional to 28,956.81, 40,036.65 and 25,361.46 is: 35,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.81 : 40,036.65 = 25,361.46 : x
  2. Step 2: Convert to fraction form
    28,956.81/40,036.65 = 25,361.46/x
  3. Step 3: Cross multiply
    28,956.81x = 40,036.65 × 25,361.46
  4. Step 4: Simplify right side
    28,956.81x = 1,015,388,142.75
  5. Step 5: Solve for x
    x = 1,015,388,142.75/28,956.81
  6. Step 6: Final answer
    x = 35,065.60

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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.