Home / 20,426.46-30,490.64-17,523.42

Finding the Fourth Proportional to 20,426.46, 30,490.64 and 17,523.42

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Solution

The fourth proportional to 20,426.46, 30,490.64 and 17,523.42 is: 26,157.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,426.46 : 30,490.64 = 17,523.42 : x
  2. Step 2: Convert to fraction form
    20,426.46/30,490.64 = 17,523.42/x
  3. Step 3: Cross multiply
    20,426.46x = 30,490.64 × 17,523.42
  4. Step 4: Simplify right side
    20,426.46x = 534,300,203.17
  5. Step 5: Solve for x
    x = 534,300,203.17/20,426.46
  6. Step 6: Final answer
    x = 26,157.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.