Home / 20,062.92-27,700.28-12,512.31

Finding the Fourth Proportional to 20,062.92, 27,700.28 and 12,512.31

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Solution

The fourth proportional to 20,062.92, 27,700.28 and 12,512.31 is: 17,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.92 : 27,700.28 = 12,512.31 : x
  2. Step 2: Convert to fraction form
    20,062.92/27,700.28 = 12,512.31/x
  3. Step 3: Cross multiply
    20,062.92x = 27,700.28 × 12,512.31
  4. Step 4: Simplify right side
    20,062.92x = 346,594,490.45
  5. Step 5: Solve for x
    x = 346,594,490.45/20,062.92
  6. Step 6: Final answer
    x = 17,275.38

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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.