Home / 28,747.59-39,670.70-16,169.91

Finding the Fourth Proportional to 28,747.59, 39,670.70 and 16,169.91

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Solution

The fourth proportional to 28,747.59, 39,670.70 and 16,169.91 is: 22,313.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.59 : 39,670.70 = 16,169.91 : x
  2. Step 2: Convert to fraction form
    28,747.59/39,670.70 = 16,169.91/x
  3. Step 3: Cross multiply
    28,747.59x = 39,670.70 × 16,169.91
  4. Step 4: Simplify right side
    28,747.59x = 641,471,529.25
  5. Step 5: Solve for x
    x = 641,471,529.25/28,747.59
  6. Step 6: Final answer
    x = 22,313.93

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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.