Home / 27,801.88-38,366.54-15,226.60

Finding the Fourth Proportional to 27,801.88, 38,366.54 and 15,226.60

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Solution

The fourth proportional to 27,801.88, 38,366.54 and 15,226.60 is: 21,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,801.88 : 38,366.54 = 15,226.60 : x
  2. Step 2: Convert to fraction form
    27,801.88/38,366.54 = 15,226.60/x
  3. Step 3: Cross multiply
    27,801.88x = 38,366.54 × 15,226.60
  4. Step 4: Simplify right side
    27,801.88x = 584,191,957.96
  5. Step 5: Solve for x
    x = 584,191,957.96/27,801.88
  6. Step 6: Final answer
    x = 21,012.68

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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.