Home / 27,127.80-40,691.70-14,005.80

Finding the Fourth Proportional to 27,127.80, 40,691.70 and 14,005.80

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Solution

The fourth proportional to 27,127.80, 40,691.70 and 14,005.80 is: 21,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,127.80 : 40,691.70 = 14,005.80 : x
  2. Step 2: Convert to fraction form
    27,127.80/40,691.70 = 14,005.80/x
  3. Step 3: Cross multiply
    27,127.80x = 40,691.70 × 14,005.80
  4. Step 4: Simplify right side
    27,127.80x = 569,919,811.86
  5. Step 5: Solve for x
    x = 569,919,811.86/27,127.80
  6. Step 6: Final answer
    x = 21,008.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.