Home / 27,602.42-38,091.60-15,665.85

Finding the Fourth Proportional to 27,602.42, 38,091.60 and 15,665.85

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Solution

The fourth proportional to 27,602.42, 38,091.60 and 15,665.85 is: 21,619.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,602.42 : 38,091.60 = 15,665.85 : x
  2. Step 2: Convert to fraction form
    27,602.42/38,091.60 = 15,665.85/x
  3. Step 3: Cross multiply
    27,602.42x = 38,091.60 × 15,665.85
  4. Step 4: Simplify right side
    27,602.42x = 596,737,291.86
  5. Step 5: Solve for x
    x = 596,737,291.86/27,602.42
  6. Step 6: Final answer
    x = 21,619.02

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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.