Home / 28,205.19-38,930.76-17,588.52

Finding the Fourth Proportional to 28,205.19, 38,930.76 and 17,588.52

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Solution

The fourth proportional to 28,205.19, 38,930.76 and 17,588.52 is: 24,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205.19 : 38,930.76 = 17,588.52 : x
  2. Step 2: Convert to fraction form
    28,205.19/38,930.76 = 17,588.52/x
  3. Step 3: Cross multiply
    28,205.19x = 38,930.76 × 17,588.52
  4. Step 4: Simplify right side
    28,205.19x = 684,734,450.88
  5. Step 5: Solve for x
    x = 684,734,450.88/28,205.19
  6. Step 6: Final answer
    x = 24,276.90

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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.