Home / 30,127.82-41,575.89-16,515.77

Finding the Fourth Proportional to 30,127.82, 41,575.89 and 16,515.77

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Solution

The fourth proportional to 30,127.82, 41,575.89 and 16,515.77 is: 22,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.82 : 41,575.89 = 16,515.77 : x
  2. Step 2: Convert to fraction form
    30,127.82/41,575.89 = 16,515.77/x
  3. Step 3: Cross multiply
    30,127.82x = 41,575.89 × 16,515.77
  4. Step 4: Simplify right side
    30,127.82x = 686,657,836.79
  5. Step 5: Solve for x
    x = 686,657,836.79/30,127.82
  6. Step 6: Final answer
    x = 22,791.49

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1.5x scale

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.