Home / 26,898.71-37,119.69-14,961.78

Finding the Fourth Proportional to 26,898.71, 37,119.69 and 14,961.78

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Solution

The fourth proportional to 26,898.71, 37,119.69 and 14,961.78 is: 20,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,898.71 : 37,119.69 = 14,961.78 : x
  2. Step 2: Convert to fraction form
    26,898.71/37,119.69 = 14,961.78/x
  3. Step 3: Cross multiply
    26,898.71x = 37,119.69 × 14,961.78
  4. Step 4: Simplify right side
    26,898.71x = 555,376,635.45
  5. Step 5: Solve for x
    x = 555,376,635.45/26,898.71
  6. Step 6: Final answer
    x = 20,646.97

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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.