Home / 27,959.36-38,580.48-16,629.12

Finding the Fourth Proportional to 27,959.36, 38,580.48 and 16,629.12

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Solution

The fourth proportional to 27,959.36, 38,580.48 and 16,629.12 is: 22,946.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959.36 : 38,580.48 = 16,629.12 : x
  2. Step 2: Convert to fraction form
    27,959.36/38,580.48 = 16,629.12/x
  3. Step 3: Cross multiply
    27,959.36x = 38,580.48 × 16,629.12
  4. Step 4: Simplify right side
    27,959.36x = 641,559,431.58
  5. Step 5: Solve for x
    x = 641,559,431.58/27,959.36
  6. Step 6: Final answer
    x = 22,946.14

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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.