Home / 27,559.28-38,038.04-16,807.78

Finding the Fourth Proportional to 27,559.28, 38,038.04 and 16,807.78

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Solution

The fourth proportional to 27,559.28, 38,038.04 and 16,807.78 is: 23,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,559.28 : 38,038.04 = 16,807.78 : x
  2. Step 2: Convert to fraction form
    27,559.28/38,038.04 = 16,807.78/x
  3. Step 3: Cross multiply
    27,559.28x = 38,038.04 × 16,807.78
  4. Step 4: Simplify right side
    27,559.28x = 639,334,954.88
  5. Step 5: Solve for x
    x = 639,334,954.88/27,559.28
  6. Step 6: Final answer
    x = 23,198.54

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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.