Home / 25,723.80-38,564.10-13,411.80

Finding the Fourth Proportional to 25,723.80, 38,564.10 and 13,411.80

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Solution

The fourth proportional to 25,723.80, 38,564.10 and 13,411.80 is: 20,106.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,723.80 : 38,564.10 = 13,411.80 : x
  2. Step 2: Convert to fraction form
    25,723.80/38,564.10 = 13,411.80/x
  3. Step 3: Cross multiply
    25,723.80x = 38,564.10 × 13,411.80
  4. Step 4: Simplify right side
    25,723.80x = 517,213,996.38
  5. Step 5: Solve for x
    x = 517,213,996.38/25,723.80
  6. Step 6: Final answer
    x = 20,106.44

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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.