Home / 27,013.64-40,523.42-10,387.80

Finding the Fourth Proportional to 27,013.64, 40,523.42 and 10,387.80

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Solution

The fourth proportional to 27,013.64, 40,523.42 and 10,387.80 is: 15,582.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,013.64 : 40,523.42 = 10,387.80 : x
  2. Step 2: Convert to fraction form
    27,013.64/40,523.42 = 10,387.80/x
  3. Step 3: Cross multiply
    27,013.64x = 40,523.42 × 10,387.80
  4. Step 4: Simplify right side
    27,013.64x = 420,949,182.28
  5. Step 5: Solve for x
    x = 420,949,182.28/27,013.64
  6. Step 6: Final answer
    x = 15,582.84

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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.