Home / 25,787.62-35,585.04-15,175.80

Finding the Fourth Proportional to 25,787.62, 35,585.04 and 15,175.80

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Solution

The fourth proportional to 25,787.62, 35,585.04 and 15,175.80 is: 20,941.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,787.62 : 35,585.04 = 15,175.80 : x
  2. Step 2: Convert to fraction form
    25,787.62/35,585.04 = 15,175.80/x
  3. Step 3: Cross multiply
    25,787.62x = 35,585.04 × 15,175.80
  4. Step 4: Simplify right side
    25,787.62x = 540,031,450.03
  5. Step 5: Solve for x
    x = 540,031,450.03/25,787.62
  6. Step 6: Final answer
    x = 20,941.50

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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.