Home / 21,587.44-32,361.95-8,436.82

Finding the Fourth Proportional to 21,587.44, 32,361.95 and 8,436.82

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Solution

The fourth proportional to 21,587.44, 32,361.95 and 8,436.82 is: 12,647.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,587.44 : 32,361.95 = 8,436.82 : x
  2. Step 2: Convert to fraction form
    21,587.44/32,361.95 = 8,436.82/x
  3. Step 3: Cross multiply
    21,587.44x = 32,361.95 × 8,436.82
  4. Step 4: Simplify right side
    21,587.44x = 273,031,947.00
  5. Step 5: Solve for x
    x = 273,031,947.00/21,587.44
  6. Step 6: Final answer
    x = 12,647.72

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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.