Home / 20,410.52-30,552.18-15,718.34

Finding the Fourth Proportional to 20,410.52, 30,552.18 and 15,718.34

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Solution

The fourth proportional to 20,410.52, 30,552.18 and 15,718.34 is: 23,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410.52 : 30,552.18 = 15,718.34 : x
  2. Step 2: Convert to fraction form
    20,410.52/30,552.18 = 15,718.34/x
  3. Step 3: Cross multiply
    20,410.52x = 30,552.18 × 15,718.34
  4. Step 4: Simplify right side
    20,410.52x = 480,229,552.98
  5. Step 5: Solve for x
    x = 480,229,552.98/20,410.52
  6. Step 6: Final answer
    x = 23,528.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.