Home / 17,880.45-26,812.04-10,487.31

Finding the Fourth Proportional to 17,880.45, 26,812.04 and 10,487.31

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Solution

The fourth proportional to 17,880.45, 26,812.04 and 10,487.31 is: 15,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.45 : 26,812.04 = 10,487.31 : x
  2. Step 2: Convert to fraction form
    17,880.45/26,812.04 = 10,487.31/x
  3. Step 3: Cross multiply
    17,880.45x = 26,812.04 × 10,487.31
  4. Step 4: Simplify right side
    17,880.45x = 281,186,122.78
  5. Step 5: Solve for x
    x = 281,186,122.78/17,880.45
  6. Step 6: Final answer
    x = 15,725.90

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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.