Home / 19,215.74-28,632.58-17,119.63

Finding the Fourth Proportional to 19,215.74, 28,632.58 and 17,119.63

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Solution

The fourth proportional to 19,215.74, 28,632.58 and 17,119.63 is: 25,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.74 : 28,632.58 = 17,119.63 : x
  2. Step 2: Convert to fraction form
    19,215.74/28,632.58 = 17,119.63/x
  3. Step 3: Cross multiply
    19,215.74x = 28,632.58 × 17,119.63
  4. Step 4: Simplify right side
    19,215.74x = 490,179,175.55
  5. Step 5: Solve for x
    x = 490,179,175.55/19,215.74
  6. Step 6: Final answer
    x = 25,509.25

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.