Home / 27,078.48-37,369.71-15,141.15

Finding the Fourth Proportional to 27,078.48, 37,369.71 and 15,141.15

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Solution

The fourth proportional to 27,078.48, 37,369.71 and 15,141.15 is: 20,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.48 : 37,369.71 = 15,141.15 : x
  2. Step 2: Convert to fraction form
    27,078.48/37,369.71 = 15,141.15/x
  3. Step 3: Cross multiply
    27,078.48x = 37,369.71 × 15,141.15
  4. Step 4: Simplify right side
    27,078.48x = 565,820,384.57
  5. Step 5: Solve for x
    x = 565,820,384.57/27,078.48
  6. Step 6: Final answer
    x = 20,895.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.