Home / 21,503.49-29,631.06-16,467.72

Finding the Fourth Proportional to 21,503.49, 29,631.06 and 16,467.72

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Solution

The fourth proportional to 21,503.49, 29,631.06 and 16,467.72 is: 22,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,503.49 : 29,631.06 = 16,467.72 : x
  2. Step 2: Convert to fraction form
    21,503.49/29,631.06 = 16,467.72/x
  3. Step 3: Cross multiply
    21,503.49x = 29,631.06 × 16,467.72
  4. Step 4: Simplify right side
    21,503.49x = 487,955,999.38
  5. Step 5: Solve for x
    x = 487,955,999.38/21,503.49
  6. Step 6: Final answer
    x = 22,691.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.