Home / 29,009.72-40,032.06-16,434.56

Finding the Fourth Proportional to 29,009.72, 40,032.06 and 16,434.56

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Solution

The fourth proportional to 29,009.72, 40,032.06 and 16,434.56 is: 22,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,009.72 : 40,032.06 = 16,434.56 : x
  2. Step 2: Convert to fraction form
    29,009.72/40,032.06 = 16,434.56/x
  3. Step 3: Cross multiply
    29,009.72x = 40,032.06 × 16,434.56
  4. Step 4: Simplify right side
    29,009.72x = 657,909,091.83
  5. Step 5: Solve for x
    x = 657,909,091.83/29,009.72
  6. Step 6: Final answer
    x = 22,678.92

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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.