Home / 23,145.72-31,946.28-15,065.04

Finding the Fourth Proportional to 23,145.72, 31,946.28 and 15,065.04

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Solution

The fourth proportional to 23,145.72, 31,946.28 and 15,065.04 is: 20,793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.72 : 31,946.28 = 15,065.04 : x
  2. Step 2: Convert to fraction form
    23,145.72/31,946.28 = 15,065.04/x
  3. Step 3: Cross multiply
    23,145.72x = 31,946.28 × 15,065.04
  4. Step 4: Simplify right side
    23,145.72x = 481,271,986.05
  5. Step 5: Solve for x
    x = 481,271,986.05/23,145.72
  6. Step 6: Final answer
    x = 20,793.13

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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.