Home / 22,523.76-31,080.48-13,091.52

Finding the Fourth Proportional to 22,523.76, 31,080.48 and 13,091.52

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Solution

The fourth proportional to 22,523.76, 31,080.48 and 13,091.52 is: 18,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,523.76 : 31,080.48 = 13,091.52 : x
  2. Step 2: Convert to fraction form
    22,523.76/31,080.48 = 13,091.52/x
  3. Step 3: Cross multiply
    22,523.76x = 31,080.48 × 13,091.52
  4. Step 4: Simplify right side
    22,523.76x = 406,890,725.53
  5. Step 5: Solve for x
    x = 406,890,725.53/22,523.76
  6. Step 6: Final answer
    x = 18,064.96

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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.