Home / 26,428.10-36,470.49-14,491.40

Finding the Fourth Proportional to 26,428.10, 36,470.49 and 14,491.40

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Solution

The fourth proportional to 26,428.10, 36,470.49 and 14,491.40 is: 19,997.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,428.10 : 36,470.49 = 14,491.40 : x
  2. Step 2: Convert to fraction form
    26,428.10/36,470.49 = 14,491.40/x
  3. Step 3: Cross multiply
    26,428.10x = 36,470.49 × 14,491.40
  4. Step 4: Simplify right side
    26,428.10x = 528,508,276.43
  5. Step 5: Solve for x
    x = 528,508,276.43/26,428.10
  6. Step 6: Final answer
    x = 19,997.97

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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.