Home / 26,740.50-40,086.93-12,691.86

Finding the Fourth Proportional to 26,740.50, 40,086.93 and 12,691.86

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Solution

The fourth proportional to 26,740.50, 40,086.93 and 12,691.86 is: 19,026.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,740.50 : 40,086.93 = 12,691.86 : x
  2. Step 2: Convert to fraction form
    26,740.50/40,086.93 = 12,691.86/x
  3. Step 3: Cross multiply
    26,740.50x = 40,086.93 × 12,691.86
  4. Step 4: Simplify right side
    26,740.50x = 508,777,703.39
  5. Step 5: Solve for x
    x = 508,777,703.39/26,740.50
  6. Step 6: Final answer
    x = 19,026.48

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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.