Home / 28,602.63-39,462.15-17,267.79

Finding the Fourth Proportional to 28,602.63, 39,462.15 and 17,267.79

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Solution

The fourth proportional to 28,602.63, 39,462.15 and 17,267.79 is: 23,823.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602.63 : 39,462.15 = 17,267.79 : x
  2. Step 2: Convert to fraction form
    28,602.63/39,462.15 = 17,267.79/x
  3. Step 3: Cross multiply
    28,602.63x = 39,462.15 × 17,267.79
  4. Step 4: Simplify right side
    28,602.63x = 681,424,119.15
  5. Step 5: Solve for x
    x = 681,424,119.15/28,602.63
  6. Step 6: Final answer
    x = 23,823.83

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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.