Home / 26,792.91-40,176.72-9,920.34

Finding the Fourth Proportional to 26,792.91, 40,176.72 and 9,920.34

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Solution

The fourth proportional to 26,792.91, 40,176.72 and 9,920.34 is: 14,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,792.91 : 40,176.72 = 9,920.34 : x
  2. Step 2: Convert to fraction form
    26,792.91/40,176.72 = 9,920.34/x
  3. Step 3: Cross multiply
    26,792.91x = 40,176.72 × 9,920.34
  4. Step 4: Simplify right side
    26,792.91x = 398,566,722.48
  5. Step 5: Solve for x
    x = 398,566,722.48/26,792.91
  6. Step 6: Final answer
    x = 14,875.83

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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.