Home / 27,120.42-40,681.71-11,527.38

Finding the Fourth Proportional to 27,120.42, 40,681.71 and 11,527.38

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Solution

The fourth proportional to 27,120.42, 40,681.71 and 11,527.38 is: 17,291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,120.42 : 40,681.71 = 11,527.38 : x
  2. Step 2: Convert to fraction form
    27,120.42/40,681.71 = 11,527.38/x
  3. Step 3: Cross multiply
    27,120.42x = 40,681.71 × 11,527.38
  4. Step 4: Simplify right side
    27,120.42x = 468,953,530.22
  5. Step 5: Solve for x
    x = 468,953,530.22/27,120.42
  6. Step 6: Final answer
    x = 17,291.53

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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.