Home / 30,018.92-41,402.52-28,006.88

Finding the Fourth Proportional to 30,018.92, 41,402.52 and 28,006.88

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Solution

The fourth proportional to 30,018.92, 41,402.52 and 28,006.88 is: 38,627.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,018.92 : 41,402.52 = 28,006.88 : x
  2. Step 2: Convert to fraction form
    30,018.92/41,402.52 = 28,006.88/x
  3. Step 3: Cross multiply
    30,018.92x = 41,402.52 × 28,006.88
  4. Step 4: Simplify right side
    30,018.92x = 1,159,555,409.34
  5. Step 5: Solve for x
    x = 1,159,555,409.34/30,018.92
  6. Step 6: Final answer
    x = 38,627.49

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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.