Home / 17,870.43-26,763.28-14,160.74

Finding the Fourth Proportional to 17,870.43, 26,763.28 and 14,160.74

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Solution

The fourth proportional to 17,870.43, 26,763.28 and 14,160.74 is: 21,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.43 : 26,763.28 = 14,160.74 : x
  2. Step 2: Convert to fraction form
    17,870.43/26,763.28 = 14,160.74/x
  3. Step 3: Cross multiply
    17,870.43x = 26,763.28 × 14,160.74
  4. Step 4: Simplify right side
    17,870.43x = 378,987,680.41
  5. Step 5: Solve for x
    x = 378,987,680.41/17,870.43
  6. Step 6: Final answer
    x = 21,207.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.