Home / 23,068.80-31,835.05-12,997.40

Finding the Fourth Proportional to 23,068.80, 31,835.05 and 12,997.40

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Solution

The fourth proportional to 23,068.80, 31,835.05 and 12,997.40 is: 17,936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,068.80 : 31,835.05 = 12,997.40 : x
  2. Step 2: Convert to fraction form
    23,068.80/31,835.05 = 12,997.40/x
  3. Step 3: Cross multiply
    23,068.80x = 31,835.05 × 12,997.40
  4. Step 4: Simplify right side
    23,068.80x = 413,772,799.28
  5. Step 5: Solve for x
    x = 413,772,799.28/23,068.80
  6. Step 6: Final answer
    x = 17,936.47

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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.