Home / 28,289.06-39,034.56-16,350.09

Finding the Fourth Proportional to 28,289.06, 39,034.56 and 16,350.09

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Solution

The fourth proportional to 28,289.06, 39,034.56 and 16,350.09 is: 22,560.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289.06 : 39,034.56 = 16,350.09 : x
  2. Step 2: Convert to fraction form
    28,289.06/39,034.56 = 16,350.09/x
  3. Step 3: Cross multiply
    28,289.06x = 39,034.56 × 16,350.09
  4. Step 4: Simplify right side
    28,289.06x = 638,218,569.11
  5. Step 5: Solve for x
    x = 638,218,569.11/28,289.06
  6. Step 6: Final answer
    x = 22,560.62

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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.