Home / 18,890.48-26,075.88-16,227.20

Finding the Fourth Proportional to 18,890.48, 26,075.88 and 16,227.20

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Solution

The fourth proportional to 18,890.48, 26,075.88 and 16,227.20 is: 22,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890.48 : 26,075.88 = 16,227.20 : x
  2. Step 2: Convert to fraction form
    18,890.48/26,075.88 = 16,227.20/x
  3. Step 3: Cross multiply
    18,890.48x = 26,075.88 × 16,227.20
  4. Step 4: Simplify right side
    18,890.48x = 423,138,519.94
  5. Step 5: Solve for x
    x = 423,138,519.94/18,890.48
  6. Step 6: Final answer
    x = 22,399.56

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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.