Home / 20,423.54-30,572.13-17,434.64

Finding the Fourth Proportional to 20,423.54, 30,572.13 and 17,434.64

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Solution

The fourth proportional to 20,423.54, 30,572.13 and 17,434.64 is: 26,098.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,423.54 : 30,572.13 = 17,434.64 : x
  2. Step 2: Convert to fraction form
    20,423.54/30,572.13 = 17,434.64/x
  3. Step 3: Cross multiply
    20,423.54x = 30,572.13 × 17,434.64
  4. Step 4: Simplify right side
    20,423.54x = 533,014,222.39
  5. Step 5: Solve for x
    x = 533,014,222.39/20,423.54
  6. Step 6: Final answer
    x = 26,098.03

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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.