Home / 19,055.82-28,586.76-5,905.47

Finding the Fourth Proportional to 19,055.82, 28,586.76 and 5,905.47

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Solution

The fourth proportional to 19,055.82, 28,586.76 and 5,905.47 is: 8,859.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,055.82 : 28,586.76 = 5,905.47 : x
  2. Step 2: Convert to fraction form
    19,055.82/28,586.76 = 5,905.47/x
  3. Step 3: Cross multiply
    19,055.82x = 28,586.76 × 5,905.47
  4. Step 4: Simplify right side
    19,055.82x = 168,818,253.58
  5. Step 5: Solve for x
    x = 168,818,253.58/19,055.82
  6. Step 6: Final answer
    x = 8,859.14

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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.