Home / 38,011.06-57,011.86-15,821.52

Finding the Fourth Proportional to 38,011.06, 57,011.86 and 15,821.52

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Solution

The fourth proportional to 38,011.06, 57,011.86 and 15,821.52 is: 23,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,011.06 : 57,011.86 = 15,821.52 : x
  2. Step 2: Convert to fraction form
    38,011.06/57,011.86 = 15,821.52/x
  3. Step 3: Cross multiply
    38,011.06x = 57,011.86 × 15,821.52
  4. Step 4: Simplify right side
    38,011.06x = 902,014,283.23
  5. Step 5: Solve for x
    x = 902,014,283.23/38,011.06
  6. Step 6: Final answer
    x = 23,730.31

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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.