Home / 23,488.43-35,245.40-13,634.78

Finding the Fourth Proportional to 23,488.43, 35,245.40 and 13,634.78

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Solution

The fourth proportional to 23,488.43, 35,245.40 and 13,634.78 is: 20,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,488.43 : 35,245.40 = 13,634.78 : x
  2. Step 2: Convert to fraction form
    23,488.43/35,245.40 = 13,634.78/x
  3. Step 3: Cross multiply
    23,488.43x = 35,245.40 × 13,634.78
  4. Step 4: Simplify right side
    23,488.43x = 480,563,030.61
  5. Step 5: Solve for x
    x = 480,563,030.61/23,488.43
  6. Step 6: Final answer
    x = 20,459.57

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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.