Home / 19,297.06-28,946.08-5,257.20

Finding the Fourth Proportional to 19,297.06, 28,946.08 and 5,257.20

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Solution

The fourth proportional to 19,297.06, 28,946.08 and 5,257.20 is: 7,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,297.06 : 28,946.08 = 5,257.20 : x
  2. Step 2: Convert to fraction form
    19,297.06/28,946.08 = 5,257.20/x
  3. Step 3: Cross multiply
    19,297.06x = 28,946.08 × 5,257.20
  4. Step 4: Simplify right side
    19,297.06x = 152,175,331.78
  5. Step 5: Solve for x
    x = 152,175,331.78/19,297.06
  6. Step 6: Final answer
    x = 7,885.93

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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.