Home / 29,304.66-40,440.44-15,876.00

Finding the Fourth Proportional to 29,304.66, 40,440.44 and 15,876.00

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Solution

The fourth proportional to 29,304.66, 40,440.44 and 15,876.00 is: 21,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.66 : 40,440.44 = 15,876.00 : x
  2. Step 2: Convert to fraction form
    29,304.66/40,440.44 = 15,876.00/x
  3. Step 3: Cross multiply
    29,304.66x = 40,440.44 × 15,876.00
  4. Step 4: Simplify right side
    29,304.66x = 642,032,616.78
  5. Step 5: Solve for x
    x = 642,032,616.78/29,304.66
  6. Step 6: Final answer
    x = 21,908.89

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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.