Home / 27,009.80-40,502.55-10,364.30

Finding the Fourth Proportional to 27,009.80, 40,502.55 and 10,364.30

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Solution

The fourth proportional to 27,009.80, 40,502.55 and 10,364.30 is: 15,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.80 : 40,502.55 = 10,364.30 : x
  2. Step 2: Convert to fraction form
    27,009.80/40,502.55 = 10,364.30/x
  3. Step 3: Cross multiply
    27,009.80x = 40,502.55 × 10,364.30
  4. Step 4: Simplify right side
    27,009.80x = 419,780,578.97
  5. Step 5: Solve for x
    x = 419,780,578.97/27,009.80
  6. Step 6: Final answer
    x = 15,541.79

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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.