Home / 21,536.08-32,300.88-13,798.96

Finding the Fourth Proportional to 21,536.08, 32,300.88 and 13,798.96

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Solution

The fourth proportional to 21,536.08, 32,300.88 and 13,798.96 is: 20,696.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,536.08 : 32,300.88 = 13,798.96 : x
  2. Step 2: Convert to fraction form
    21,536.08/32,300.88 = 13,798.96/x
  3. Step 3: Cross multiply
    21,536.08x = 32,300.88 × 13,798.96
  4. Step 4: Simplify right side
    21,536.08x = 445,718,551.08
  5. Step 5: Solve for x
    x = 445,718,551.08/21,536.08
  6. Step 6: Final answer
    x = 20,696.36

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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.