Home / 21,372.41-32,064.53-8,898.30

Finding the Fourth Proportional to 21,372.41, 32,064.53 and 8,898.30

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Solution

The fourth proportional to 21,372.41, 32,064.53 and 8,898.30 is: 13,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,372.41 : 32,064.53 = 8,898.30 : x
  2. Step 2: Convert to fraction form
    21,372.41/32,064.53 = 8,898.30/x
  3. Step 3: Cross multiply
    21,372.41x = 32,064.53 × 8,898.30
  4. Step 4: Simplify right side
    21,372.41x = 285,319,762.81
  5. Step 5: Solve for x
    x = 285,319,762.81/21,372.41
  6. Step 6: Final answer
    x = 13,349.91

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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.