Home / 20,262.48-30,247.12-17,506.88

Finding the Fourth Proportional to 20,262.48, 30,247.12 and 17,506.88

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Solution

The fourth proportional to 20,262.48, 30,247.12 and 17,506.88 is: 26,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.48 : 30,247.12 = 17,506.88 : x
  2. Step 2: Convert to fraction form
    20,262.48/30,247.12 = 17,506.88/x
  3. Step 3: Cross multiply
    20,262.48x = 30,247.12 × 17,506.88
  4. Step 4: Simplify right side
    20,262.48x = 529,532,700.19
  5. Step 5: Solve for x
    x = 529,532,700.19/20,262.48
  6. Step 6: Final answer
    x = 26,133.66

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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.