Home / 23,095.14-31,871.43-13,023.78

Finding the Fourth Proportional to 23,095.14, 31,871.43 and 13,023.78

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Solution

The fourth proportional to 23,095.14, 31,871.43 and 13,023.78 is: 17,972.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,095.14 : 31,871.43 = 13,023.78 : x
  2. Step 2: Convert to fraction form
    23,095.14/31,871.43 = 13,023.78/x
  3. Step 3: Cross multiply
    23,095.14x = 31,871.43 × 13,023.78
  4. Step 4: Simplify right side
    23,095.14x = 415,086,492.61
  5. Step 5: Solve for x
    x = 415,086,492.61/23,095.14
  6. Step 6: Final answer
    x = 17,972.89

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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.