Home / 20,054.52-27,688.77-12,512.34

Finding the Fourth Proportional to 20,054.52, 27,688.77 and 12,512.34

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Solution

The fourth proportional to 20,054.52, 27,688.77 and 12,512.34 is: 17,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.52 : 27,688.77 = 12,512.34 : x
  2. Step 2: Convert to fraction form
    20,054.52/27,688.77 = 12,512.34/x
  3. Step 3: Cross multiply
    20,054.52x = 27,688.77 × 12,512.34
  4. Step 4: Simplify right side
    20,054.52x = 346,451,304.42
  5. Step 5: Solve for x
    x = 346,451,304.42/20,054.52
  6. Step 6: Final answer
    x = 17,275.47

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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.