Home / 25,659.89-38,495.76-10,869.39

Finding the Fourth Proportional to 25,659.89, 38,495.76 and 10,869.39

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Solution

The fourth proportional to 25,659.89, 38,495.76 and 10,869.39 is: 16,306.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,659.89 : 38,495.76 = 10,869.39 : x
  2. Step 2: Convert to fraction form
    25,659.89/38,495.76 = 10,869.39/x
  3. Step 3: Cross multiply
    25,659.89x = 38,495.76 × 10,869.39
  4. Step 4: Simplify right side
    25,659.89x = 418,425,388.03
  5. Step 5: Solve for x
    x = 418,425,388.03/25,659.89
  6. Step 6: Final answer
    x = 16,306.59

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1.5x scale

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.