Home / 27,168.90-37,490.49-15,229.50

Finding the Fourth Proportional to 27,168.90, 37,490.49 and 15,229.50

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Solution

The fourth proportional to 27,168.90, 37,490.49 and 15,229.50 is: 21,015.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,168.90 : 37,490.49 = 15,229.50 : x
  2. Step 2: Convert to fraction form
    27,168.90/37,490.49 = 15,229.50/x
  3. Step 3: Cross multiply
    27,168.90x = 37,490.49 × 15,229.50
  4. Step 4: Simplify right side
    27,168.90x = 570,961,417.46
  5. Step 5: Solve for x
    x = 570,961,417.46/27,168.90
  6. Step 6: Final answer
    x = 21,015.26

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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.