Home / 21,252.36-31,841.60-14,913.80

Finding the Fourth Proportional to 21,252.36, 31,841.60 and 14,913.80

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Solution

The fourth proportional to 21,252.36, 31,841.60 and 14,913.80 is: 22,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,252.36 : 31,841.60 = 14,913.80 : x
  2. Step 2: Convert to fraction form
    21,252.36/31,841.60 = 14,913.80/x
  3. Step 3: Cross multiply
    21,252.36x = 31,841.60 × 14,913.80
  4. Step 4: Simplify right side
    21,252.36x = 474,879,254.08
  5. Step 5: Solve for x
    x = 474,879,254.08/21,252.36
  6. Step 6: Final answer
    x = 22,344.78

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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.