Home / 21,327.27-29,432.26-11,895.63

Finding the Fourth Proportional to 21,327.27, 29,432.26 and 11,895.63

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Solution

The fourth proportional to 21,327.27, 29,432.26 and 11,895.63 is: 16,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,327.27 : 29,432.26 = 11,895.63 : x
  2. Step 2: Convert to fraction form
    21,327.27/29,432.26 = 11,895.63/x
  3. Step 3: Cross multiply
    21,327.27x = 29,432.26 × 11,895.63
  4. Step 4: Simplify right side
    21,327.27x = 350,115,127.86
  5. Step 5: Solve for x
    x = 350,115,127.86/21,327.27
  6. Step 6: Final answer
    x = 16,416.32

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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.