Home / 19,761.10-29,664.81-15,603.92

Finding the Fourth Proportional to 19,761.10, 29,664.81 and 15,603.92

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Solution

The fourth proportional to 19,761.10, 29,664.81 and 15,603.92 is: 23,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.10 : 29,664.81 = 15,603.92 : x
  2. Step 2: Convert to fraction form
    19,761.10/29,664.81 = 15,603.92/x
  3. Step 3: Cross multiply
    19,761.10x = 29,664.81 × 15,603.92
  4. Step 4: Simplify right side
    19,761.10x = 462,887,322.06
  5. Step 5: Solve for x
    x = 462,887,322.06/19,761.10
  6. Step 6: Final answer
    x = 23,424.17

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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.