Home / 27,707.20-41,560.80-21,802.30

Finding the Fourth Proportional to 27,707.20, 41,560.80 and 21,802.30

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Solution

The fourth proportional to 27,707.20, 41,560.80 and 21,802.30 is: 32,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,707.20 : 41,560.80 = 21,802.30 : x
  2. Step 2: Convert to fraction form
    27,707.20/41,560.80 = 21,802.30/x
  3. Step 3: Cross multiply
    27,707.20x = 41,560.80 × 21,802.30
  4. Step 4: Simplify right side
    27,707.20x = 906,121,029.84
  5. Step 5: Solve for x
    x = 906,121,029.84/27,707.20
  6. Step 6: Final answer
    x = 32,703.45

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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.