Home / 38,128.04-57,172.56-15,935.36

Finding the Fourth Proportional to 38,128.04, 57,172.56 and 15,935.36

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Solution

The fourth proportional to 38,128.04, 57,172.56 and 15,935.36 is: 23,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,128.04 : 57,172.56 = 15,935.36 : x
  2. Step 2: Convert to fraction form
    38,128.04/57,172.56 = 15,935.36/x
  3. Step 3: Cross multiply
    38,128.04x = 57,172.56 × 15,935.36
  4. Step 4: Simplify right side
    38,128.04x = 911,065,325.72
  5. Step 5: Solve for x
    x = 911,065,325.72/38,128.04
  6. Step 6: Final answer
    x = 23,894.89

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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.