Home / 28,580.77-39,441.38-15,833.98

Finding the Fourth Proportional to 28,580.77, 39,441.38 and 15,833.98

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Solution

The fourth proportional to 28,580.77, 39,441.38 and 15,833.98 is: 21,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580.77 : 39,441.38 = 15,833.98 : x
  2. Step 2: Convert to fraction form
    28,580.77/39,441.38 = 15,833.98/x
  3. Step 3: Cross multiply
    28,580.77x = 39,441.38 × 15,833.98
  4. Step 4: Simplify right side
    28,580.77x = 624,514,081.29
  5. Step 5: Solve for x
    x = 624,514,081.29/28,580.77
  6. Step 6: Final answer
    x = 21,850.85

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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.