Home / 19,327.84-28,967.47-10,442.81

Finding the Fourth Proportional to 19,327.84, 28,967.47 and 10,442.81

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Solution

The fourth proportional to 19,327.84, 28,967.47 and 10,442.81 is: 15,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.84 : 28,967.47 = 10,442.81 : x
  2. Step 2: Convert to fraction form
    19,327.84/28,967.47 = 10,442.81/x
  3. Step 3: Cross multiply
    19,327.84x = 28,967.47 × 10,442.81
  4. Step 4: Simplify right side
    19,327.84x = 302,501,785.39
  5. Step 5: Solve for x
    x = 302,501,785.39/19,327.84
  6. Step 6: Final answer
    x = 15,651.09

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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.