Home / 20,048.20-27,649.30-12,088.68

Finding the Fourth Proportional to 20,048.20, 27,649.30 and 12,088.68

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Solution

The fourth proportional to 20,048.20, 27,649.30 and 12,088.68 is: 16,672.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.20 : 27,649.30 = 12,088.68 : x
  2. Step 2: Convert to fraction form
    20,048.20/27,649.30 = 12,088.68/x
  3. Step 3: Cross multiply
    20,048.20x = 27,649.30 × 12,088.68
  4. Step 4: Simplify right side
    20,048.20x = 334,243,539.92
  5. Step 5: Solve for x
    x = 334,243,539.92/20,048.20
  6. Step 6: Final answer
    x = 16,672.00

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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.