Home / 26,580.88-36,680.30-14,643.90

Finding the Fourth Proportional to 26,580.88, 36,680.30 and 14,643.90

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Solution

The fourth proportional to 26,580.88, 36,680.30 and 14,643.90 is: 20,207.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,580.88 : 36,680.30 = 14,643.90 : x
  2. Step 2: Convert to fraction form
    26,580.88/36,680.30 = 14,643.90/x
  3. Step 3: Cross multiply
    26,580.88x = 36,680.30 × 14,643.90
  4. Step 4: Simplify right side
    26,580.88x = 537,142,645.17
  5. Step 5: Solve for x
    x = 537,142,645.17/26,580.88
  6. Step 6: Final answer
    x = 20,207.86

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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.