Home / 28,012.50-38,654.87-16,075.59

Finding the Fourth Proportional to 28,012.50, 38,654.87 and 16,075.59

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Solution

The fourth proportional to 28,012.50, 38,654.87 and 16,075.59 is: 22,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012.50 : 38,654.87 = 16,075.59 : x
  2. Step 2: Convert to fraction form
    28,012.50/38,654.87 = 16,075.59/x
  3. Step 3: Cross multiply
    28,012.50x = 38,654.87 × 16,075.59
  4. Step 4: Simplify right side
    28,012.50x = 621,399,841.62
  5. Step 5: Solve for x
    x = 621,399,841.62/28,012.50
  6. Step 6: Final answer
    x = 22,182.95

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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.