Home / 27,040.20-37,315.08-15,103.71

Finding the Fourth Proportional to 27,040.20, 37,315.08 and 15,103.71

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Solution

The fourth proportional to 27,040.20, 37,315.08 and 15,103.71 is: 20,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,040.20 : 37,315.08 = 15,103.71 : x
  2. Step 2: Convert to fraction form
    27,040.20/37,315.08 = 15,103.71/x
  3. Step 3: Cross multiply
    27,040.20x = 37,315.08 × 15,103.71
  4. Step 4: Simplify right side
    27,040.20x = 563,596,146.95
  5. Step 5: Solve for x
    x = 563,596,146.95/27,040.20
  6. Step 6: Final answer
    x = 20,842.90

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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.