Home / 19,389.48-29,055.06-14,435.88

Finding the Fourth Proportional to 19,389.48, 29,055.06 and 14,435.88

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Solution

The fourth proportional to 19,389.48, 29,055.06 and 14,435.88 is: 21,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.48 : 29,055.06 = 14,435.88 : x
  2. Step 2: Convert to fraction form
    19,389.48/29,055.06 = 14,435.88/x
  3. Step 3: Cross multiply
    19,389.48x = 29,055.06 × 14,435.88
  4. Step 4: Simplify right side
    19,389.48x = 419,435,359.55
  5. Step 5: Solve for x
    x = 419,435,359.55/19,389.48
  6. Step 6: Final answer
    x = 21,632.11

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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.