Home / 28,287.27-39,037.28-16,349.55

Finding the Fourth Proportional to 28,287.27, 39,037.28 and 16,349.55

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Solution

The fourth proportional to 28,287.27, 39,037.28 and 16,349.55 is: 22,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,287.27 : 39,037.28 = 16,349.55 : x
  2. Step 2: Convert to fraction form
    28,287.27/39,037.28 = 16,349.55/x
  3. Step 3: Cross multiply
    28,287.27x = 39,037.28 × 16,349.55
  4. Step 4: Simplify right side
    28,287.27x = 638,241,879.48
  5. Step 5: Solve for x
    x = 638,241,879.48/28,287.27
  6. Step 6: Final answer
    x = 22,562.87

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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.