Home / 19,940.04-29,864.70-15,461.81

Finding the Fourth Proportional to 19,940.04, 29,864.70 and 15,461.81

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Solution

The fourth proportional to 19,940.04, 29,864.70 and 15,461.81 is: 23,157.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.04 : 29,864.70 = 15,461.81 : x
  2. Step 2: Convert to fraction form
    19,940.04/29,864.70 = 15,461.81/x
  3. Step 3: Cross multiply
    19,940.04x = 29,864.70 × 15,461.81
  4. Step 4: Simplify right side
    19,940.04x = 461,762,317.11
  5. Step 5: Solve for x
    x = 461,762,317.11/19,940.04
  6. Step 6: Final answer
    x = 23,157.54

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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.