Home / 28,288.81-39,034.22-16,349.84

Finding the Fourth Proportional to 28,288.81, 39,034.22 and 16,349.84

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Solution

The fourth proportional to 28,288.81, 39,034.22 and 16,349.84 is: 22,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,288.81 : 39,034.22 = 16,349.84 : x
  2. Step 2: Convert to fraction form
    28,288.81/39,034.22 = 16,349.84/x
  3. Step 3: Cross multiply
    28,288.81x = 39,034.22 × 16,349.84
  4. Step 4: Simplify right side
    28,288.81x = 638,203,169.78
  5. Step 5: Solve for x
    x = 638,203,169.78/28,288.81
  6. Step 6: Final answer
    x = 22,560.27

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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.