Home / 21,592.96-29,754.40-16,557.28

Finding the Fourth Proportional to 21,592.96, 29,754.40 and 16,557.28

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Solution

The fourth proportional to 21,592.96, 29,754.40 and 16,557.28 is: 22,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,592.96 : 29,754.40 = 16,557.28 : x
  2. Step 2: Convert to fraction form
    21,592.96/29,754.40 = 16,557.28/x
  3. Step 3: Cross multiply
    21,592.96x = 29,754.40 × 16,557.28
  4. Step 4: Simplify right side
    21,592.96x = 492,651,932.03
  5. Step 5: Solve for x
    x = 492,651,932.03/21,592.96
  6. Step 6: Final answer
    x = 22,815.40

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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.