Home / 21,503.76-32,257.16-5,708.66

Finding the Fourth Proportional to 21,503.76, 32,257.16 and 5,708.66

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Solution

The fourth proportional to 21,503.76, 32,257.16 and 5,708.66 is: 8,563.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,503.76 : 32,257.16 = 5,708.66 : x
  2. Step 2: Convert to fraction form
    21,503.76/32,257.16 = 5,708.66/x
  3. Step 3: Cross multiply
    21,503.76x = 32,257.16 × 5,708.66
  4. Step 4: Simplify right side
    21,503.76x = 184,145,159.01
  5. Step 5: Solve for x
    x = 184,145,159.01/21,503.76
  6. Step 6: Final answer
    x = 8,563.39

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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.