Home / 29,267.23-40,388.91-15,838.49

Finding the Fourth Proportional to 29,267.23, 40,388.91 and 15,838.49

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Solution

The fourth proportional to 29,267.23, 40,388.91 and 15,838.49 is: 21,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,267.23 : 40,388.91 = 15,838.49 : x
  2. Step 2: Convert to fraction form
    29,267.23/40,388.91 = 15,838.49/x
  3. Step 3: Cross multiply
    29,267.23x = 40,388.91 × 15,838.49
  4. Step 4: Simplify right side
    29,267.23x = 639,699,066.01
  5. Step 5: Solve for x
    x = 639,699,066.01/29,267.23
  6. Step 6: Final answer
    x = 21,857.18

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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.