Home / 26,427.18-36,470-14,489.80

Finding the Fourth Proportional to 26,427.18, 36,470 and 14,489.80

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Solution

The fourth proportional to 26,427.18, 36,470 and 14,489.80 is: 19,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,427.18 : 36,470 = 14,489.80 : x
  2. Step 2: Convert to fraction form
    26,427.18/36,470 = 14,489.80/x
  3. Step 3: Cross multiply
    26,427.18x = 36,470 × 14,489.80
  4. Step 4: Simplify right side
    26,427.18x = 528,443,006
  5. Step 5: Solve for x
    x = 528,443,006/26,427.18
  6. Step 6: Final answer
    x = 19,996.19

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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.