Home / 28,973.72-40,016.64-19,525.88

Finding the Fourth Proportional to 28,973.72, 40,016.64 and 19,525.88

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Solution

The fourth proportional to 28,973.72, 40,016.64 and 19,525.88 is: 26,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973.72 : 40,016.64 = 19,525.88 : x
  2. Step 2: Convert to fraction form
    28,973.72/40,016.64 = 19,525.88/x
  3. Step 3: Cross multiply
    28,973.72x = 40,016.64 × 19,525.88
  4. Step 4: Simplify right side
    28,973.72x = 781,360,110.64
  5. Step 5: Solve for x
    x = 781,360,110.64/28,973.72
  6. Step 6: Final answer
    x = 26,967.89

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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.