Home / 19,640.58-27,104.07-10,688.00

Finding the Fourth Proportional to 19,640.58, 27,104.07 and 10,688.00

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Solution

The fourth proportional to 19,640.58, 27,104.07 and 10,688.00 is: 14,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640.58 : 27,104.07 = 10,688.00 : x
  2. Step 2: Convert to fraction form
    19,640.58/27,104.07 = 10,688.00/x
  3. Step 3: Cross multiply
    19,640.58x = 27,104.07 × 10,688.00
  4. Step 4: Simplify right side
    19,640.58x = 289,688,297.06
  5. Step 5: Solve for x
    x = 289,688,297.06/19,640.58
  6. Step 6: Final answer
    x = 14,749.48

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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.