Home / 20,849.02-28,771.73-11,417.58

Finding the Fourth Proportional to 20,849.02, 28,771.73 and 11,417.58

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Solution

The fourth proportional to 20,849.02, 28,771.73 and 11,417.58 is: 15,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,849.02 : 28,771.73 = 11,417.58 : x
  2. Step 2: Convert to fraction form
    20,849.02/28,771.73 = 11,417.58/x
  3. Step 3: Cross multiply
    20,849.02x = 28,771.73 × 11,417.58
  4. Step 4: Simplify right side
    20,849.02x = 328,503,514.74
  5. Step 5: Solve for x
    x = 328,503,514.74/20,849.02
  6. Step 6: Final answer
    x = 15,756.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.