Home / 21,402.72-32,104.40-14,053.92

Finding the Fourth Proportional to 21,402.72, 32,104.40 and 14,053.92

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Solution

The fourth proportional to 21,402.72, 32,104.40 and 14,053.92 is: 21,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.72 : 32,104.40 = 14,053.92 : x
  2. Step 2: Convert to fraction form
    21,402.72/32,104.40 = 14,053.92/x
  3. Step 3: Cross multiply
    21,402.72x = 32,104.40 × 14,053.92
  4. Step 4: Simplify right side
    21,402.72x = 451,192,669.25
  5. Step 5: Solve for x
    x = 451,192,669.25/21,402.72
  6. Step 6: Final answer
    x = 21,081.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.