Home / 27,965.40-38,591.64-16,035.76

Finding the Fourth Proportional to 27,965.40, 38,591.64 and 16,035.76

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Solution

The fourth proportional to 27,965.40, 38,591.64 and 16,035.76 is: 22,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,965.40 : 38,591.64 = 16,035.76 : x
  2. Step 2: Convert to fraction form
    27,965.40/38,591.64 = 16,035.76/x
  3. Step 3: Cross multiply
    27,965.40x = 38,591.64 × 16,035.76
  4. Step 4: Simplify right side
    27,965.40x = 618,846,277.05
  5. Step 5: Solve for x
    x = 618,846,277.05/27,965.40
  6. Step 6: Final answer
    x = 22,129.00

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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.