Home / 28,746.45-43,108.92-10,021.68

Finding the Fourth Proportional to 28,746.45, 43,108.92 and 10,021.68

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Solution

The fourth proportional to 28,746.45, 43,108.92 and 10,021.68 is: 15,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.45 : 43,108.92 = 10,021.68 : x
  2. Step 2: Convert to fraction form
    28,746.45/43,108.92 = 10,021.68/x
  3. Step 3: Cross multiply
    28,746.45x = 43,108.92 × 10,021.68
  4. Step 4: Simplify right side
    28,746.45x = 432,023,801.39
  5. Step 5: Solve for x
    x = 432,023,801.39/28,746.45
  6. Step 6: Final answer
    x = 15,028.77

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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.