Home / 28,488.87-39,284.46-19,549.44

Finding the Fourth Proportional to 28,488.87, 39,284.46 and 19,549.44

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Solution

The fourth proportional to 28,488.87, 39,284.46 and 19,549.44 is: 26,957.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488.87 : 39,284.46 = 19,549.44 : x
  2. Step 2: Convert to fraction form
    28,488.87/39,284.46 = 19,549.44/x
  3. Step 3: Cross multiply
    28,488.87x = 39,284.46 × 19,549.44
  4. Step 4: Simplify right side
    28,488.87x = 767,989,193.70
  5. Step 5: Solve for x
    x = 767,989,193.70/28,488.87
  6. Step 6: Final answer
    x = 26,957.52

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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.