Home / 28,354.15-39,133.02-17,029.87

Finding the Fourth Proportional to 28,354.15, 39,133.02 and 17,029.87

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Solution

The fourth proportional to 28,354.15, 39,133.02 and 17,029.87 is: 23,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354.15 : 39,133.02 = 17,029.87 : x
  2. Step 2: Convert to fraction form
    28,354.15/39,133.02 = 17,029.87/x
  3. Step 3: Cross multiply
    28,354.15x = 39,133.02 × 17,029.87
  4. Step 4: Simplify right side
    28,354.15x = 666,430,243.31
  5. Step 5: Solve for x
    x = 666,430,243.31/28,354.15
  6. Step 6: Final answer
    x = 23,503.80

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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.