Home / 21,536.40-32,312.82-8,397.92

Finding the Fourth Proportional to 21,536.40, 32,312.82 and 8,397.92

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Solution

The fourth proportional to 21,536.40, 32,312.82 and 8,397.92 is: 12,600.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,536.40 : 32,312.82 = 8,397.92 : x
  2. Step 2: Convert to fraction form
    21,536.40/32,312.82 = 8,397.92/x
  3. Step 3: Cross multiply
    21,536.40x = 32,312.82 × 8,397.92
  4. Step 4: Simplify right side
    21,536.40x = 271,360,477.33
  5. Step 5: Solve for x
    x = 271,360,477.33/21,536.40
  6. Step 6: Final answer
    x = 12,600.09

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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.