Home / 28,880.79-43,337.38-15,734.08

Finding the Fourth Proportional to 28,880.79, 43,337.38 and 15,734.08

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Solution

The fourth proportional to 28,880.79, 43,337.38 and 15,734.08 is: 23,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.79 : 43,337.38 = 15,734.08 : x
  2. Step 2: Convert to fraction form
    28,880.79/43,337.38 = 15,734.08/x
  3. Step 3: Cross multiply
    28,880.79x = 43,337.38 × 15,734.08
  4. Step 4: Simplify right side
    28,880.79x = 681,873,848.25
  5. Step 5: Solve for x
    x = 681,873,848.25/28,880.79
  6. Step 6: Final answer
    x = 23,609.95

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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.