Home / 27,885.20-41,771.10-17,322.80

Finding the Fourth Proportional to 27,885.20, 41,771.10 and 17,322.80

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Solution

The fourth proportional to 27,885.20, 41,771.10 and 17,322.80 is: 25,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.20 : 41,771.10 = 17,322.80 : x
  2. Step 2: Convert to fraction form
    27,885.20/41,771.10 = 17,322.80/x
  3. Step 3: Cross multiply
    27,885.20x = 41,771.10 × 17,322.80
  4. Step 4: Simplify right side
    27,885.20x = 723,592,411.08
  5. Step 5: Solve for x
    x = 723,592,411.08/27,885.20
  6. Step 6: Final answer
    x = 25,948.98

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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.