Home / 28,289.31-39,034.91-16,350.34

Finding the Fourth Proportional to 28,289.31, 39,034.91 and 16,350.34

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Solution

The fourth proportional to 28,289.31, 39,034.91 and 16,350.34 is: 22,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289.31 : 39,034.91 = 16,350.34 : x
  2. Step 2: Convert to fraction form
    28,289.31/39,034.91 = 16,350.34/x
  3. Step 3: Cross multiply
    28,289.31x = 39,034.91 × 16,350.34
  4. Step 4: Simplify right side
    28,289.31x = 638,233,968.62
  5. Step 5: Solve for x
    x = 638,233,968.62/28,289.31
  6. Step 6: Final answer
    x = 22,560.96

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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.