Home / 22,917.21-31,625.46-12,848.15

Finding the Fourth Proportional to 22,917.21, 31,625.46 and 12,848.15

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Solution

The fourth proportional to 22,917.21, 31,625.46 and 12,848.15 is: 17,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,917.21 : 31,625.46 = 12,848.15 : x
  2. Step 2: Convert to fraction form
    22,917.21/31,625.46 = 12,848.15/x
  3. Step 3: Cross multiply
    22,917.21x = 31,625.46 × 12,848.15
  4. Step 4: Simplify right side
    22,917.21x = 406,328,495.77
  5. Step 5: Solve for x
    x = 406,328,495.77/22,917.21
  6. Step 6: Final answer
    x = 17,730.28

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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.