Home / 20,424.79-30,663.11-17,366.23

Finding the Fourth Proportional to 20,424.79, 30,663.11 and 17,366.23

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Solution

The fourth proportional to 20,424.79, 30,663.11 and 17,366.23 is: 26,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,424.79 : 30,663.11 = 17,366.23 : x
  2. Step 2: Convert to fraction form
    20,424.79/30,663.11 = 17,366.23/x
  3. Step 3: Cross multiply
    20,424.79x = 30,663.11 × 17,366.23
  4. Step 4: Simplify right side
    20,424.79x = 532,502,620.78
  5. Step 5: Solve for x
    x = 532,502,620.78/20,424.79
  6. Step 6: Final answer
    x = 26,071.39

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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.