Home / 35,519.40-53,280-16,808.19

Finding the Fourth Proportional to 35,519.40, 53,280 and 16,808.19

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Solution

The fourth proportional to 35,519.40, 53,280 and 16,808.19 is: 25,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,519.40 : 53,280 = 16,808.19 : x
  2. Step 2: Convert to fraction form
    35,519.40/53,280 = 16,808.19/x
  3. Step 3: Cross multiply
    35,519.40x = 53,280 × 16,808.19
  4. Step 4: Simplify right side
    35,519.40x = 895,540,363.20
  5. Step 5: Solve for x
    x = 895,540,363.20/35,519.40
  6. Step 6: Final answer
    x = 25,212.71

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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.