Home / 28,269.54-39,009.06-16,336.71

Finding the Fourth Proportional to 28,269.54, 39,009.06 and 16,336.71

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Solution

The fourth proportional to 28,269.54, 39,009.06 and 16,336.71 is: 22,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,269.54 : 39,009.06 = 16,336.71 : x
  2. Step 2: Convert to fraction form
    28,269.54/39,009.06 = 16,336.71/x
  3. Step 3: Cross multiply
    28,269.54x = 39,009.06 × 16,336.71
  4. Step 4: Simplify right side
    28,269.54x = 637,279,700.59
  5. Step 5: Solve for x
    x = 637,279,700.59/28,269.54
  6. Step 6: Final answer
    x = 22,542.98

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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.