Home / 28,941.76-39,934.56-17,767.36

Finding the Fourth Proportional to 28,941.76, 39,934.56 and 17,767.36

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Solution

The fourth proportional to 28,941.76, 39,934.56 and 17,767.36 is: 24,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.76 : 39,934.56 = 17,767.36 : x
  2. Step 2: Convert to fraction form
    28,941.76/39,934.56 = 17,767.36/x
  3. Step 3: Cross multiply
    28,941.76x = 39,934.56 × 17,767.36
  4. Step 4: Simplify right side
    28,941.76x = 709,531,703.96
  5. Step 5: Solve for x
    x = 709,531,703.96/28,941.76
  6. Step 6: Final answer
    x = 24,515.85

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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.