Home / 26,929.80-40,346.10-23,819.40

Finding the Fourth Proportional to 26,929.80, 40,346.10 and 23,819.40

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Solution

The fourth proportional to 26,929.80, 40,346.10 and 23,819.40 is: 35,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.80 : 40,346.10 = 23,819.40 : x
  2. Step 2: Convert to fraction form
    26,929.80/40,346.10 = 23,819.40/x
  3. Step 3: Cross multiply
    26,929.80x = 40,346.10 × 23,819.40
  4. Step 4: Simplify right side
    26,929.80x = 961,019,894.34
  5. Step 5: Solve for x
    x = 961,019,894.34/26,929.80
  6. Step 6: Final answer
    x = 35,686.11

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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.