Home / 27,221.34-37,565.99-15,285.85

Finding the Fourth Proportional to 27,221.34, 37,565.99 and 15,285.85

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Solution

The fourth proportional to 27,221.34, 37,565.99 and 15,285.85 is: 21,094.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221.34 : 37,565.99 = 15,285.85 : x
  2. Step 2: Convert to fraction form
    27,221.34/37,565.99 = 15,285.85/x
  3. Step 3: Cross multiply
    27,221.34x = 37,565.99 × 15,285.85
  4. Step 4: Simplify right side
    27,221.34x = 574,228,088.24
  5. Step 5: Solve for x
    x = 574,228,088.24/27,221.34
  6. Step 6: Final answer
    x = 21,094.78

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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.