Home / 27,847.85-38,430.41-15,273.41

Finding the Fourth Proportional to 27,847.85, 38,430.41 and 15,273.41

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Solution

The fourth proportional to 27,847.85, 38,430.41 and 15,273.41 is: 21,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,847.85 : 38,430.41 = 15,273.41 : x
  2. Step 2: Convert to fraction form
    27,847.85/38,430.41 = 15,273.41/x
  3. Step 3: Cross multiply
    27,847.85x = 38,430.41 × 15,273.41
  4. Step 4: Simplify right side
    27,847.85x = 586,963,139.88
  5. Step 5: Solve for x
    x = 586,963,139.88/27,847.85
  6. Step 6: Final answer
    x = 21,077.51

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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.