Home / 27,955.54-41,920.35-10,420.66

Finding the Fourth Proportional to 27,955.54, 41,920.35 and 10,420.66

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Solution

The fourth proportional to 27,955.54, 41,920.35 and 10,420.66 is: 15,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,955.54 : 41,920.35 = 10,420.66 : x
  2. Step 2: Convert to fraction form
    27,955.54/41,920.35 = 10,420.66/x
  3. Step 3: Cross multiply
    27,955.54x = 41,920.35 × 10,420.66
  4. Step 4: Simplify right side
    27,955.54x = 436,837,714.43
  5. Step 5: Solve for x
    x = 436,837,714.43/27,955.54
  6. Step 6: Final answer
    x = 15,626.16

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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.