Home / 27,870.03-38,467.53-17,117.51

Finding the Fourth Proportional to 27,870.03, 38,467.53 and 17,117.51

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Solution

The fourth proportional to 27,870.03, 38,467.53 and 17,117.51 is: 23,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,870.03 : 38,467.53 = 17,117.51 : x
  2. Step 2: Convert to fraction form
    27,870.03/38,467.53 = 17,117.51/x
  3. Step 3: Cross multiply
    27,870.03x = 38,467.53 × 17,117.51
  4. Step 4: Simplify right side
    27,870.03x = 658,468,137.11
  5. Step 5: Solve for x
    x = 658,468,137.11/27,870.03
  6. Step 6: Final answer
    x = 23,626.39

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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.