Home / 28,488.56-42,686.76-23,296.88

Finding the Fourth Proportional to 28,488.56, 42,686.76 and 23,296.88

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Solution

The fourth proportional to 28,488.56, 42,686.76 and 23,296.88 is: 34,907.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488.56 : 42,686.76 = 23,296.88 : x
  2. Step 2: Convert to fraction form
    28,488.56/42,686.76 = 23,296.88/x
  3. Step 3: Cross multiply
    28,488.56x = 42,686.76 × 23,296.88
  4. Step 4: Simplify right side
    28,488.56x = 994,468,325.31
  5. Step 5: Solve for x
    x = 994,468,325.31/28,488.56
  6. Step 6: Final answer
    x = 34,907.64

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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.