Home / 19,287.21-26,614.07-10,789.81

Finding the Fourth Proportional to 19,287.21, 26,614.07 and 10,789.81

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Solution

The fourth proportional to 19,287.21, 26,614.07 and 10,789.81 is: 14,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287.21 : 26,614.07 = 10,789.81 : x
  2. Step 2: Convert to fraction form
    19,287.21/26,614.07 = 10,789.81/x
  3. Step 3: Cross multiply
    19,287.21x = 26,614.07 × 10,789.81
  4. Step 4: Simplify right side
    19,287.21x = 287,160,678.60
  5. Step 5: Solve for x
    x = 287,160,678.60/19,287.21
  6. Step 6: Final answer
    x = 14,888.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.