Home / 22,775.06-31,433.66-14,718.70

Finding the Fourth Proportional to 22,775.06, 31,433.66 and 14,718.70

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Solution

The fourth proportional to 22,775.06, 31,433.66 and 14,718.70 is: 20,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,775.06 : 31,433.66 = 14,718.70 : x
  2. Step 2: Convert to fraction form
    22,775.06/31,433.66 = 14,718.70/x
  3. Step 3: Cross multiply
    22,775.06x = 31,433.66 × 14,718.70
  4. Step 4: Simplify right side
    22,775.06x = 462,662,611.44
  5. Step 5: Solve for x
    x = 462,662,611.44/22,775.06
  6. Step 6: Final answer
    x = 20,314.44

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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.