Home / 21,848.45-32,767.77-8,521.76

Finding the Fourth Proportional to 21,848.45, 32,767.77 and 8,521.76

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Solution

The fourth proportional to 21,848.45, 32,767.77 and 8,521.76 is: 12,780.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,848.45 : 32,767.77 = 8,521.76 : x
  2. Step 2: Convert to fraction form
    21,848.45/32,767.77 = 8,521.76/x
  3. Step 3: Cross multiply
    21,848.45x = 32,767.77 × 8,521.76
  4. Step 4: Simplify right side
    21,848.45x = 279,239,071.68
  5. Step 5: Solve for x
    x = 279,239,071.68/21,848.45
  6. Step 6: Final answer
    x = 12,780.73

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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.