Home / 17,680.88-26,519.91-10,280.62

Finding the Fourth Proportional to 17,680.88, 26,519.91 and 10,280.62

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Solution

The fourth proportional to 17,680.88, 26,519.91 and 10,280.62 is: 15,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680.88 : 26,519.91 = 10,280.62 : x
  2. Step 2: Convert to fraction form
    17,680.88/26,519.91 = 10,280.62/x
  3. Step 3: Cross multiply
    17,680.88x = 26,519.91 × 10,280.62
  4. Step 4: Simplify right side
    17,680.88x = 272,641,117.14
  5. Step 5: Solve for x
    x = 272,641,117.14/17,680.88
  6. Step 6: Final answer
    x = 15,420.11

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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.