Home / 21,437.06-29,564.87-16,953.03

Finding the Fourth Proportional to 21,437.06, 29,564.87 and 16,953.03

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Solution

The fourth proportional to 21,437.06, 29,564.87 and 16,953.03 is: 23,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,437.06 : 29,564.87 = 16,953.03 : x
  2. Step 2: Convert to fraction form
    21,437.06/29,564.87 = 16,953.03/x
  3. Step 3: Cross multiply
    21,437.06x = 29,564.87 × 16,953.03
  4. Step 4: Simplify right side
    21,437.06x = 501,214,043.29
  5. Step 5: Solve for x
    x = 501,214,043.29/21,437.06
  6. Step 6: Final answer
    x = 23,380.73

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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.