Home / 21,460.80-29,602.82-14,192.88

Finding the Fourth Proportional to 21,460.80, 29,602.82 and 14,192.88

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Solution

The fourth proportional to 21,460.80, 29,602.82 and 14,192.88 is: 19,577.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.80 : 29,602.82 = 14,192.88 : x
  2. Step 2: Convert to fraction form
    21,460.80/29,602.82 = 14,192.88/x
  3. Step 3: Cross multiply
    21,460.80x = 29,602.82 × 14,192.88
  4. Step 4: Simplify right side
    21,460.80x = 420,149,271.92
  5. Step 5: Solve for x
    x = 420,149,271.92/21,460.80
  6. Step 6: Final answer
    x = 19,577.52

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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.