Home / 23,119.29-31,871.48-15,552.27

Finding the Fourth Proportional to 23,119.29, 31,871.48 and 15,552.27

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Solution

The fourth proportional to 23,119.29, 31,871.48 and 15,552.27 is: 21,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,119.29 : 31,871.48 = 15,552.27 : x
  2. Step 2: Convert to fraction form
    23,119.29/31,871.48 = 15,552.27/x
  3. Step 3: Cross multiply
    23,119.29x = 31,871.48 × 15,552.27
  4. Step 4: Simplify right side
    23,119.29x = 495,673,784.50
  5. Step 5: Solve for x
    x = 495,673,784.50/23,119.29
  6. Step 6: Final answer
    x = 21,439.84

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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.