Home / 21,027.64-29,009.02-12,073.08

Finding the Fourth Proportional to 21,027.64, 29,009.02 and 12,073.08

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Solution

The fourth proportional to 21,027.64, 29,009.02 and 12,073.08 is: 16,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027.64 : 29,009.02 = 12,073.08 : x
  2. Step 2: Convert to fraction form
    21,027.64/29,009.02 = 12,073.08/x
  3. Step 3: Cross multiply
    21,027.64x = 29,009.02 × 12,073.08
  4. Step 4: Simplify right side
    21,027.64x = 350,228,219.18
  5. Step 5: Solve for x
    x = 350,228,219.18/21,027.64
  6. Step 6: Final answer
    x = 16,655.61

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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.