Home / 21,615.32-29,853.74-14,529.44

Finding the Fourth Proportional to 21,615.32, 29,853.74 and 14,529.44

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Solution

The fourth proportional to 21,615.32, 29,853.74 and 14,529.44 is: 20,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,615.32 : 29,853.74 = 14,529.44 : x
  2. Step 2: Convert to fraction form
    21,615.32/29,853.74 = 14,529.44/x
  3. Step 3: Cross multiply
    21,615.32x = 29,853.74 × 14,529.44
  4. Step 4: Simplify right side
    21,615.32x = 433,758,124.11
  5. Step 5: Solve for x
    x = 433,758,124.11/21,615.32
  6. Step 6: Final answer
    x = 20,067.16

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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.