Home / 28,123.55-42,137.93-16,996.27

Finding the Fourth Proportional to 28,123.55, 42,137.93 and 16,996.27

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Solution

The fourth proportional to 28,123.55, 42,137.93 and 16,996.27 is: 25,465.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,123.55 : 42,137.93 = 16,996.27 : x
  2. Step 2: Convert to fraction form
    28,123.55/42,137.93 = 16,996.27/x
  3. Step 3: Cross multiply
    28,123.55x = 42,137.93 × 16,996.27
  4. Step 4: Simplify right side
    28,123.55x = 716,187,635.52
  5. Step 5: Solve for x
    x = 716,187,635.52/28,123.55
  6. Step 6: Final answer
    x = 25,465.76

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1.5x scale

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.