Home / 20,577.90-30,887.13-14,661.36

Finding the Fourth Proportional to 20,577.90, 30,887.13 and 14,661.36

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Solution

The fourth proportional to 20,577.90, 30,887.13 and 14,661.36 is: 22,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.90 : 30,887.13 = 14,661.36 : x
  2. Step 2: Convert to fraction form
    20,577.90/30,887.13 = 14,661.36/x
  3. Step 3: Cross multiply
    20,577.90x = 30,887.13 × 14,661.36
  4. Step 4: Simplify right side
    20,577.90x = 452,847,332.30
  5. Step 5: Solve for x
    x = 452,847,332.30/20,577.90
  6. Step 6: Final answer
    x = 22,006.49

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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.