Home / 29,270.23-40,392.96-15,841.49

Finding the Fourth Proportional to 29,270.23, 40,392.96 and 15,841.49

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Solution

The fourth proportional to 29,270.23, 40,392.96 and 15,841.49 is: 21,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,270.23 : 40,392.96 = 15,841.49 : x
  2. Step 2: Convert to fraction form
    29,270.23/40,392.96 = 15,841.49/x
  3. Step 3: Cross multiply
    29,270.23x = 40,392.96 × 15,841.49
  4. Step 4: Simplify right side
    29,270.23x = 639,884,671.91
  5. Step 5: Solve for x
    x = 639,884,671.91/29,270.23
  6. Step 6: Final answer
    x = 21,861.28

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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.