Home / 28,567.73-42,863.70-15,404.74

Finding the Fourth Proportional to 28,567.73, 42,863.70 and 15,404.74

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Solution

The fourth proportional to 28,567.73, 42,863.70 and 15,404.74 is: 23,113.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,567.73 : 42,863.70 = 15,404.74 : x
  2. Step 2: Convert to fraction form
    28,567.73/42,863.70 = 15,404.74/x
  3. Step 3: Cross multiply
    28,567.73x = 42,863.70 × 15,404.74
  4. Step 4: Simplify right side
    28,567.73x = 660,304,153.94
  5. Step 5: Solve for x
    x = 660,304,153.94/28,567.73
  6. Step 6: Final answer
    x = 23,113.64

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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.