Home / 26,740.17-40,109.76-9,209.61

Finding the Fourth Proportional to 26,740.17, 40,109.76 and 9,209.61

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Solution

The fourth proportional to 26,740.17, 40,109.76 and 9,209.61 is: 13,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,740.17 : 40,109.76 = 9,209.61 : x
  2. Step 2: Convert to fraction form
    26,740.17/40,109.76 = 9,209.61/x
  3. Step 3: Cross multiply
    26,740.17x = 40,109.76 × 9,209.61
  4. Step 4: Simplify right side
    26,740.17x = 369,395,246.79
  5. Step 5: Solve for x
    x = 369,395,246.79/26,740.17
  6. Step 6: Final answer
    x = 13,814.24

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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.