Home / 26,111.20-39,166.88-8,582.40

Finding the Fourth Proportional to 26,111.20, 39,166.88 and 8,582.40

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Solution

The fourth proportional to 26,111.20, 39,166.88 and 8,582.40 is: 12,873.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,111.20 : 39,166.88 = 8,582.40 : x
  2. Step 2: Convert to fraction form
    26,111.20/39,166.88 = 8,582.40/x
  3. Step 3: Cross multiply
    26,111.20x = 39,166.88 × 8,582.40
  4. Step 4: Simplify right side
    26,111.20x = 336,145,830.91
  5. Step 5: Solve for x
    x = 336,145,830.91/26,111.20
  6. Step 6: Final answer
    x = 12,873.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.