Home / 23,127.96-31,883.21-15,156.35

Finding the Fourth Proportional to 23,127.96, 31,883.21 and 15,156.35

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Solution

The fourth proportional to 23,127.96, 31,883.21 and 15,156.35 is: 20,893.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.96 : 31,883.21 = 15,156.35 : x
  2. Step 2: Convert to fraction form
    23,127.96/31,883.21 = 15,156.35/x
  3. Step 3: Cross multiply
    23,127.96x = 31,883.21 × 15,156.35
  4. Step 4: Simplify right side
    23,127.96x = 483,233,089.88
  5. Step 5: Solve for x
    x = 483,233,089.88/23,127.96
  6. Step 6: Final answer
    x = 20,893.89

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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.