Home / 27,741.92-38,283.60-15,646.28

Finding the Fourth Proportional to 27,741.92, 38,283.60 and 15,646.28

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Solution

The fourth proportional to 27,741.92, 38,283.60 and 15,646.28 is: 21,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,741.92 : 38,283.60 = 15,646.28 : x
  2. Step 2: Convert to fraction form
    27,741.92/38,283.60 = 15,646.28/x
  3. Step 3: Cross multiply
    27,741.92x = 38,283.60 × 15,646.28
  4. Step 4: Simplify right side
    27,741.92x = 598,995,925.01
  5. Step 5: Solve for x
    x = 598,995,925.01/27,741.92
  6. Step 6: Final answer
    x = 21,591.73

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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.