Home / 27,225.09-37,541.88-21,550.77

Finding the Fourth Proportional to 27,225.09, 37,541.88 and 21,550.77

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Solution

The fourth proportional to 27,225.09, 37,541.88 and 21,550.77 is: 29,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,225.09 : 37,541.88 = 21,550.77 : x
  2. Step 2: Convert to fraction form
    27,225.09/37,541.88 = 21,550.77/x
  3. Step 3: Cross multiply
    27,225.09x = 37,541.88 × 21,550.77
  4. Step 4: Simplify right side
    27,225.09x = 809,056,421.25
  5. Step 5: Solve for x
    x = 809,056,421.25/27,225.09
  6. Step 6: Final answer
    x = 29,717.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.