Home / 27,219.65-40,746.54-21,905.24

Finding the Fourth Proportional to 27,219.65, 40,746.54 and 21,905.24

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Solution

The fourth proportional to 27,219.65, 40,746.54 and 21,905.24 is: 32,791.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219.65 : 40,746.54 = 21,905.24 : x
  2. Step 2: Convert to fraction form
    27,219.65/40,746.54 = 21,905.24/x
  3. Step 3: Cross multiply
    27,219.65x = 40,746.54 × 21,905.24
  4. Step 4: Simplify right side
    27,219.65x = 892,562,616.28
  5. Step 5: Solve for x
    x = 892,562,616.28/27,219.65
  6. Step 6: Final answer
    x = 32,791.12

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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.