Home / 26,881.20-37,088.28-18,376.20

Finding the Fourth Proportional to 26,881.20, 37,088.28 and 18,376.20

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Solution

The fourth proportional to 26,881.20, 37,088.28 and 18,376.20 is: 25,353.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.20 : 37,088.28 = 18,376.20 : x
  2. Step 2: Convert to fraction form
    26,881.20/37,088.28 = 18,376.20/x
  3. Step 3: Cross multiply
    26,881.20x = 37,088.28 × 18,376.20
  4. Step 4: Simplify right side
    26,881.20x = 681,541,650.94
  5. Step 5: Solve for x
    x = 681,541,650.94/26,881.20
  6. Step 6: Final answer
    x = 25,353.84

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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.