Home / 21,587.94-32,362.70-8,437.32

Finding the Fourth Proportional to 21,587.94, 32,362.70 and 8,437.32

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Solution

The fourth proportional to 21,587.94, 32,362.70 and 8,437.32 is: 12,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,587.94 : 32,362.70 = 8,437.32 : x
  2. Step 2: Convert to fraction form
    21,587.94/32,362.70 = 8,437.32/x
  3. Step 3: Cross multiply
    21,587.94x = 32,362.70 × 8,437.32
  4. Step 4: Simplify right side
    21,587.94x = 273,054,455.96
  5. Step 5: Solve for x
    x = 273,054,455.96/21,587.94
  6. Step 6: Final answer
    x = 12,648.47

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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.