Home / 21,425.61-29,577.45-14,267.44

Finding the Fourth Proportional to 21,425.61, 29,577.45 and 14,267.44

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Solution

The fourth proportional to 21,425.61, 29,577.45 and 14,267.44 is: 19,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425.61 : 29,577.45 = 14,267.44 : x
  2. Step 2: Convert to fraction form
    21,425.61/29,577.45 = 14,267.44/x
  3. Step 3: Cross multiply
    21,425.61x = 29,577.45 × 14,267.44
  4. Step 4: Simplify right side
    21,425.61x = 421,994,421.89
  5. Step 5: Solve for x
    x = 421,994,421.89/21,425.61
  6. Step 6: Final answer
    x = 19,695.79

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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.