Home / 26,981.37-37,239.21-16,918.61

Finding the Fourth Proportional to 26,981.37, 37,239.21 and 16,918.61

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Solution

The fourth proportional to 26,981.37, 37,239.21 and 16,918.61 is: 23,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.37 : 37,239.21 = 16,918.61 : x
  2. Step 2: Convert to fraction form
    26,981.37/37,239.21 = 16,918.61/x
  3. Step 3: Cross multiply
    26,981.37x = 37,239.21 × 16,918.61
  4. Step 4: Simplify right side
    26,981.37x = 630,035,484.50
  5. Step 5: Solve for x
    x = 630,035,484.50/26,981.37
  6. Step 6: Final answer
    x = 23,350.76

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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.