Home / 23,438.09-35,160.80-7,639.45

Finding the Fourth Proportional to 23,438.09, 35,160.80 and 7,639.45

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Solution

The fourth proportional to 23,438.09, 35,160.80 and 7,639.45 is: 11,460.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,438.09 : 35,160.80 = 7,639.45 : x
  2. Step 2: Convert to fraction form
    23,438.09/35,160.80 = 7,639.45/x
  3. Step 3: Cross multiply
    23,438.09x = 35,160.80 × 7,639.45
  4. Step 4: Simplify right side
    23,438.09x = 268,609,173.56
  5. Step 5: Solve for x
    x = 268,609,173.56/23,438.09
  6. Step 6: Final answer
    x = 11,460.37

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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.