Home / 21,925.34-32,885.16-8,777.84

Finding the Fourth Proportional to 21,925.34, 32,885.16 and 8,777.84

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Solution

The fourth proportional to 21,925.34, 32,885.16 and 8,777.84 is: 13,165.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,925.34 : 32,885.16 = 8,777.84 : x
  2. Step 2: Convert to fraction form
    21,925.34/32,885.16 = 8,777.84/x
  3. Step 3: Cross multiply
    21,925.34x = 32,885.16 × 8,777.84
  4. Step 4: Simplify right side
    21,925.34x = 288,660,672.85
  5. Step 5: Solve for x
    x = 288,660,672.85/21,925.34
  6. Step 6: Final answer
    x = 13,165.62

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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.