Home / 21,027.31-29,024.72-12,532.09

Finding the Fourth Proportional to 21,027.31, 29,024.72 and 12,532.09

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Solution

The fourth proportional to 21,027.31, 29,024.72 and 12,532.09 is: 17,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027.31 : 29,024.72 = 12,532.09 : x
  2. Step 2: Convert to fraction form
    21,027.31/29,024.72 = 12,532.09/x
  3. Step 3: Cross multiply
    21,027.31x = 29,024.72 × 12,532.09
  4. Step 4: Simplify right side
    21,027.31x = 363,740,403.26
  5. Step 5: Solve for x
    x = 363,740,403.26/21,027.31
  6. Step 6: Final answer
    x = 17,298.48

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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.