Home / 25,885.28-38,827.97-7,165.37

Finding the Fourth Proportional to 25,885.28, 38,827.97 and 7,165.37

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Solution

The fourth proportional to 25,885.28, 38,827.97 and 7,165.37 is: 10,748.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,885.28 : 38,827.97 = 7,165.37 : x
  2. Step 2: Convert to fraction form
    25,885.28/38,827.97 = 7,165.37/x
  3. Step 3: Cross multiply
    25,885.28x = 38,827.97 × 7,165.37
  4. Step 4: Simplify right side
    25,885.28x = 278,216,899.82
  5. Step 5: Solve for x
    x = 278,216,899.82/25,885.28
  6. Step 6: Final answer
    x = 10,748.07

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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.