Home / 28,296.98-42,425.34-13,295.72

Finding the Fourth Proportional to 28,296.98, 42,425.34 and 13,295.72

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Solution

The fourth proportional to 28,296.98, 42,425.34 and 13,295.72 is: 19,934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.98 : 42,425.34 = 13,295.72 : x
  2. Step 2: Convert to fraction form
    28,296.98/42,425.34 = 13,295.72/x
  3. Step 3: Cross multiply
    28,296.98x = 42,425.34 × 13,295.72
  4. Step 4: Simplify right side
    28,296.98x = 564,075,441.54
  5. Step 5: Solve for x
    x = 564,075,441.54/28,296.98
  6. Step 6: Final answer
    x = 19,934.12

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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.