Home / 20,527.83-28,331.78-12,574.44

Finding the Fourth Proportional to 20,527.83, 28,331.78 and 12,574.44

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Solution

The fourth proportional to 20,527.83, 28,331.78 and 12,574.44 is: 17,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.83 : 28,331.78 = 12,574.44 : x
  2. Step 2: Convert to fraction form
    20,527.83/28,331.78 = 12,574.44/x
  3. Step 3: Cross multiply
    20,527.83x = 28,331.78 × 12,574.44
  4. Step 4: Simplify right side
    20,527.83x = 356,256,204.83
  5. Step 5: Solve for x
    x = 356,256,204.83/20,527.83
  6. Step 6: Final answer
    x = 17,354.79

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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.