Home / 23,005.50-31,747.32-12,935.64

Finding the Fourth Proportional to 23,005.50, 31,747.32 and 12,935.64

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Solution

The fourth proportional to 23,005.50, 31,747.32 and 12,935.64 is: 17,851.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,005.50 : 31,747.32 = 12,935.64 : x
  2. Step 2: Convert to fraction form
    23,005.50/31,747.32 = 12,935.64/x
  3. Step 3: Cross multiply
    23,005.50x = 31,747.32 × 12,935.64
  4. Step 4: Simplify right side
    23,005.50x = 410,671,902.48
  5. Step 5: Solve for x
    x = 410,671,902.48/23,005.50
  6. Step 6: Final answer
    x = 17,851.03

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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.