Home / 28,289.18-39,034.73-16,350.22

Finding the Fourth Proportional to 28,289.18, 39,034.73 and 16,350.22

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Solution

The fourth proportional to 28,289.18, 39,034.73 and 16,350.22 is: 22,560.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289.18 : 39,034.73 = 16,350.22 : x
  2. Step 2: Convert to fraction form
    28,289.18/39,034.73 = 16,350.22/x
  3. Step 3: Cross multiply
    28,289.18x = 39,034.73 × 16,350.22
  4. Step 4: Simplify right side
    28,289.18x = 638,226,268.84
  5. Step 5: Solve for x
    x = 638,226,268.84/28,289.18
  6. Step 6: Final answer
    x = 22,560.79

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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.