Home / 21,350.88-32,031.63-8,867.16

Finding the Fourth Proportional to 21,350.88, 32,031.63 and 8,867.16

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Solution

The fourth proportional to 21,350.88, 32,031.63 and 8,867.16 is: 13,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,350.88 : 32,031.63 = 8,867.16 : x
  2. Step 2: Convert to fraction form
    21,350.88/32,031.63 = 8,867.16/x
  3. Step 3: Cross multiply
    21,350.88x = 32,031.63 × 8,867.16
  4. Step 4: Simplify right side
    21,350.88x = 284,029,588.27
  5. Step 5: Solve for x
    x = 284,029,588.27/21,350.88
  6. Step 6: Final answer
    x = 13,302.95

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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.