Home / 26,431.50-36,472.12-14,491.70

Finding the Fourth Proportional to 26,431.50, 36,472.12 and 14,491.70

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Solution

The fourth proportional to 26,431.50, 36,472.12 and 14,491.70 is: 19,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,431.50 : 36,472.12 = 14,491.70 : x
  2. Step 2: Convert to fraction form
    26,431.50/36,472.12 = 14,491.70/x
  3. Step 3: Cross multiply
    26,431.50x = 36,472.12 × 14,491.70
  4. Step 4: Simplify right side
    26,431.50x = 528,542,802.81
  5. Step 5: Solve for x
    x = 528,542,802.81/26,431.50
  6. Step 6: Final answer
    x = 19,996.70

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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.