Home / 27,341.15-40,970.71-21,091.79

Finding the Fourth Proportional to 27,341.15, 40,970.71 and 21,091.79

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Solution

The fourth proportional to 27,341.15, 40,970.71 and 21,091.79 is: 31,606.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,341.15 : 40,970.71 = 21,091.79 : x
  2. Step 2: Convert to fraction form
    27,341.15/40,970.71 = 21,091.79/x
  3. Step 3: Cross multiply
    27,341.15x = 40,970.71 × 21,091.79
  4. Step 4: Simplify right side
    27,341.15x = 864,145,740.26
  5. Step 5: Solve for x
    x = 864,145,740.26/27,341.15
  6. Step 6: Final answer
    x = 31,606.06

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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.