Home / 19,279.36-26,605.76-10,896

Finding the Fourth Proportional to 19,279.36, 26,605.76 and 10,896

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Solution

The fourth proportional to 19,279.36, 26,605.76 and 10,896 is: 15,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.36 : 26,605.76 = 10,896 : x
  2. Step 2: Convert to fraction form
    19,279.36/26,605.76 = 10,896/x
  3. Step 3: Cross multiply
    19,279.36x = 26,605.76 × 10,896
  4. Step 4: Simplify right side
    19,279.36x = 289,896,360.96
  5. Step 5: Solve for x
    x = 289,896,360.96/19,279.36
  6. Step 6: Final answer
    x = 15,036.62

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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.