Home / 27,288.24-40,925.40-10,642.80

Finding the Fourth Proportional to 27,288.24, 40,925.40 and 10,642.80

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Solution

The fourth proportional to 27,288.24, 40,925.40 and 10,642.80 is: 15,961.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.24 : 40,925.40 = 10,642.80 : x
  2. Step 2: Convert to fraction form
    27,288.24/40,925.40 = 10,642.80/x
  3. Step 3: Cross multiply
    27,288.24x = 40,925.40 × 10,642.80
  4. Step 4: Simplify right side
    27,288.24x = 435,560,847.12
  5. Step 5: Solve for x
    x = 435,560,847.12/27,288.24
  6. Step 6: Final answer
    x = 15,961.49

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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.