Home / 27,729.94-41,555.59-21,460.77

Finding the Fourth Proportional to 27,729.94, 41,555.59 and 21,460.77

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Solution

The fourth proportional to 27,729.94, 41,555.59 and 21,460.77 is: 32,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,729.94 : 41,555.59 = 21,460.77 : x
  2. Step 2: Convert to fraction form
    27,729.94/41,555.59 = 21,460.77/x
  3. Step 3: Cross multiply
    27,729.94x = 41,555.59 × 21,460.77
  4. Step 4: Simplify right side
    27,729.94x = 891,814,959.20
  5. Step 5: Solve for x
    x = 891,814,959.20/27,729.94
  6. Step 6: Final answer
    x = 32,160.72

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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.