Home / 27,040.20-37,315.76-15,710.64

Finding the Fourth Proportional to 27,040.20, 37,315.76 and 15,710.64

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Solution

The fourth proportional to 27,040.20, 37,315.76 and 15,710.64 is: 21,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,040.20 : 37,315.76 = 15,710.64 : x
  2. Step 2: Convert to fraction form
    27,040.20/37,315.76 = 15,710.64/x
  3. Step 3: Cross multiply
    27,040.20x = 37,315.76 × 15,710.64
  4. Step 4: Simplify right side
    27,040.20x = 586,254,471.69
  5. Step 5: Solve for x
    x = 586,254,471.69/27,040.20
  6. Step 6: Final answer
    x = 21,680.85

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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.