Home / 23,013.74-31,739.29-15,855.08

Finding the Fourth Proportional to 23,013.74, 31,739.29 and 15,855.08

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Solution

The fourth proportional to 23,013.74, 31,739.29 and 15,855.08 is: 21,866.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,013.74 : 31,739.29 = 15,855.08 : x
  2. Step 2: Convert to fraction form
    23,013.74/31,739.29 = 15,855.08/x
  3. Step 3: Cross multiply
    23,013.74x = 31,739.29 × 15,855.08
  4. Step 4: Simplify right side
    23,013.74x = 503,228,982.09
  5. Step 5: Solve for x
    x = 503,228,982.09/23,013.74
  6. Step 6: Final answer
    x = 21,866.46

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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.