Home / 26,646.58-39,970.50-12,613.15

Finding the Fourth Proportional to 26,646.58, 39,970.50 and 12,613.15

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Solution

The fourth proportional to 26,646.58, 39,970.50 and 12,613.15 is: 18,920.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,646.58 : 39,970.50 = 12,613.15 : x
  2. Step 2: Convert to fraction form
    26,646.58/39,970.50 = 12,613.15/x
  3. Step 3: Cross multiply
    26,646.58x = 39,970.50 × 12,613.15
  4. Step 4: Simplify right side
    26,646.58x = 504,153,912.08
  5. Step 5: Solve for x
    x = 504,153,912.08/26,646.58
  6. Step 6: Final answer
    x = 18,920.02

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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.