Home / 21,738.08-32,621.70-13,952.36

Finding the Fourth Proportional to 21,738.08, 32,621.70 and 13,952.36

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Solution

The fourth proportional to 21,738.08, 32,621.70 and 13,952.36 is: 20,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738.08 : 32,621.70 = 13,952.36 : x
  2. Step 2: Convert to fraction form
    21,738.08/32,621.70 = 13,952.36/x
  3. Step 3: Cross multiply
    21,738.08x = 32,621.70 × 13,952.36
  4. Step 4: Simplify right side
    21,738.08x = 455,149,702.21
  5. Step 5: Solve for x
    x = 455,149,702.21/21,738.08
  6. Step 6: Final answer
    x = 20,937.90

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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.