Home / 27,615.50-38,108.04-15,677.27

Finding the Fourth Proportional to 27,615.50, 38,108.04 and 15,677.27

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Solution

The fourth proportional to 27,615.50, 38,108.04 and 15,677.27 is: 21,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,615.50 : 38,108.04 = 15,677.27 : x
  2. Step 2: Convert to fraction form
    27,615.50/38,108.04 = 15,677.27/x
  3. Step 3: Cross multiply
    27,615.50x = 38,108.04 × 15,677.27
  4. Step 4: Simplify right side
    27,615.50x = 597,430,068.73
  5. Step 5: Solve for x
    x = 597,430,068.73/27,615.50
  6. Step 6: Final answer
    x = 21,633.87

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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.