Home / 28,566.92-39,409.15-18,498.62

Finding the Fourth Proportional to 28,566.92, 39,409.15 and 18,498.62

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Solution

The fourth proportional to 28,566.92, 39,409.15 and 18,498.62 is: 25,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,566.92 : 39,409.15 = 18,498.62 : x
  2. Step 2: Convert to fraction form
    28,566.92/39,409.15 = 18,498.62/x
  3. Step 3: Cross multiply
    28,566.92x = 39,409.15 × 18,498.62
  4. Step 4: Simplify right side
    28,566.92x = 729,014,890.37
  5. Step 5: Solve for x
    x = 729,014,890.37/28,566.92
  6. Step 6: Final answer
    x = 25,519.55

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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.