Home / 22,578.85-31,162.38-13,627.63

Finding the Fourth Proportional to 22,578.85, 31,162.38 and 13,627.63

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Solution

The fourth proportional to 22,578.85, 31,162.38 and 13,627.63 is: 18,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,578.85 : 31,162.38 = 13,627.63 : x
  2. Step 2: Convert to fraction form
    22,578.85/31,162.38 = 13,627.63/x
  3. Step 3: Cross multiply
    22,578.85x = 31,162.38 × 13,627.63
  4. Step 4: Simplify right side
    22,578.85x = 424,669,384.56
  5. Step 5: Solve for x
    x = 424,669,384.56/22,578.85
  6. Step 6: Final answer
    x = 18,808.28

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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.