Home / 20,746.52-31,088.26-15,203.54

Finding the Fourth Proportional to 20,746.52, 31,088.26 and 15,203.54

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Solution

The fourth proportional to 20,746.52, 31,088.26 and 15,203.54 is: 22,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746.52 : 31,088.26 = 15,203.54 : x
  2. Step 2: Convert to fraction form
    20,746.52/31,088.26 = 15,203.54/x
  3. Step 3: Cross multiply
    20,746.52x = 31,088.26 × 15,203.54
  4. Step 4: Simplify right side
    20,746.52x = 472,651,604.44
  5. Step 5: Solve for x
    x = 472,651,604.44/20,746.52
  6. Step 6: Final answer
    x = 22,782.21

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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.