Home / 20,036.76-27,651.14-12,077.29

Finding the Fourth Proportional to 20,036.76, 27,651.14 and 12,077.29

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Solution

The fourth proportional to 20,036.76, 27,651.14 and 12,077.29 is: 16,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.76 : 27,651.14 = 12,077.29 : x
  2. Step 2: Convert to fraction form
    20,036.76/27,651.14 = 12,077.29/x
  3. Step 3: Cross multiply
    20,036.76x = 27,651.14 × 12,077.29
  4. Step 4: Simplify right side
    20,036.76x = 333,950,836.61
  5. Step 5: Solve for x
    x = 333,950,836.61/20,036.76
  6. Step 6: Final answer
    x = 16,666.91

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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.