Home / 22,701.70-31,327.71-12,629.62

Finding the Fourth Proportional to 22,701.70, 31,327.71 and 12,629.62

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Solution

The fourth proportional to 22,701.70, 31,327.71 and 12,629.62 is: 17,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,701.70 : 31,327.71 = 12,629.62 : x
  2. Step 2: Convert to fraction form
    22,701.70/31,327.71 = 12,629.62/x
  3. Step 3: Cross multiply
    22,701.70x = 31,327.71 × 12,629.62
  4. Step 4: Simplify right side
    22,701.70x = 395,657,072.77
  5. Step 5: Solve for x
    x = 395,657,072.77/22,701.70
  6. Step 6: Final answer
    x = 17,428.52

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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.