Home / 25,668.05-38,505.14-9,869.40

Finding the Fourth Proportional to 25,668.05, 38,505.14 and 9,869.40

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Solution

The fourth proportional to 25,668.05, 38,505.14 and 9,869.40 is: 14,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.05 : 38,505.14 = 9,869.40 : x
  2. Step 2: Convert to fraction form
    25,668.05/38,505.14 = 9,869.40/x
  3. Step 3: Cross multiply
    25,668.05x = 38,505.14 × 9,869.40
  4. Step 4: Simplify right side
    25,668.05x = 380,022,579.37
  5. Step 5: Solve for x
    x = 380,022,579.37/25,668.05
  6. Step 6: Final answer
    x = 14,805.28

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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.