Home / 27,784.38-41,666.85-11,985.12

Finding the Fourth Proportional to 27,784.38, 41,666.85 and 11,985.12

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Solution

The fourth proportional to 27,784.38, 41,666.85 and 11,985.12 is: 17,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,784.38 : 41,666.85 = 11,985.12 : x
  2. Step 2: Convert to fraction form
    27,784.38/41,666.85 = 11,985.12/x
  3. Step 3: Cross multiply
    27,784.38x = 41,666.85 × 11,985.12
  4. Step 4: Simplify right side
    27,784.38x = 499,382,197.27
  5. Step 5: Solve for x
    x = 499,382,197.27/27,784.38
  6. Step 6: Final answer
    x = 17,973.49

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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.