Home / 28,865.09-39,861.30-27,292.58

Finding the Fourth Proportional to 28,865.09, 39,861.30 and 27,292.58

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Solution

The fourth proportional to 28,865.09, 39,861.30 and 27,292.58 is: 37,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865.09 : 39,861.30 = 27,292.58 : x
  2. Step 2: Convert to fraction form
    28,865.09/39,861.30 = 27,292.58/x
  3. Step 3: Cross multiply
    28,865.09x = 39,861.30 × 27,292.58
  4. Step 4: Simplify right side
    28,865.09x = 1,087,917,719.15
  5. Step 5: Solve for x
    x = 1,087,917,719.15/28,865.09
  6. Step 6: Final answer
    x = 37,689.74

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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.